Rules technical operation electrical installations of consumers

1.3.1. New or reconstructed electrical installations and start-up complexes must be put into operation in the manner set out in these Rules and other regulatory documents.

1.3.2. Before installation or reconstruction of electrical installations, it is necessary to:

get technical specifications in an energy supply organization;

execute project documentation;

coordinate the design documentation with the energy supply organization that issued the technical specifications and the state energy supervision body.

1.3.3. Before accepting electrical installations into operation, the following must be carried out:

during the construction and installation of a power facility - intermediate acceptance of equipment units and structures, including hidden work;

acceptance testing of equipment and commissioning tests of individual electrical installation systems;

comprehensive testing of equipment.

1.3.4. Acceptance tests of equipment and commissioning tests of individual systems must be carried out according to design schemes by the contractor (general contractor) with the involvement of customer personnel after completion of all construction and installation work for the electrical installation being delivered, and comprehensive testing must be carried out by the customer.

1.3.5. Before acceptance and commissioning tests and comprehensive testing of equipment, compliance with these Rules, rules for the construction of electrical installations, building codes and rules state standards, occupational safety rules, explosion and fire safety rules, instructions from manufacturers, instructions for installing equipment.

1.3.6. For commissioning works and testing of electrical equipment, it is allowed to turn on electrical installations according to design scheme on the basis of a temporary permit issued by the state energy supervision authorities.

1.3.7. During a comprehensive testing of equipment, the operability of the equipment must be checked and technological schemes, safety of their operation; all monitoring and control systems, protection and interlock devices, alarm devices and instrumentation were checked and configured. Comprehensive testing is considered to be carried out under the condition of normal and continuous operation of the main and auxiliary equipment within 72 hours, and power lines - within 24 hours.

1.3.8. Defects and deficiencies made during construction and installation, as well as equipment defects identified during acceptance and commissioning tests, comprehensive testing of electrical installations, must be eliminated. Acceptance for operation of electrical installations with defects and imperfections is not permitted.

1.3.9. Before testing and acceptance, conditions must be prepared for reliable and safe operation energy facility:

Electrical and electrical engineering personnel are staffed and trained (with knowledge testing);

operational instructions, labor protection instructions and operational schemes have been developed and approved, technical documentation on accounting and reporting;

prepared and tested protective equipment, tools, spare parts and materials;

communications, alarm and fire extinguishing, emergency lighting and ventilation facilities were put into operation.

1.3.10. Before being allowed into operation, electrical installations must be accepted by the Consumer (customer) in the prescribed manner.

1.3.11. Voltage is supplied to electrical installations only after obtaining permission from the state energy supervision authorities and on the basis of an electricity supply agreement between the Consumer and the energy supply organization.

8.1 Work related to comprehensive testing of technological and auxiliary systems, are carried out in accordance with the program developed by the customer in accordance with RD-19.020.00-KTN-089-10. The purpose of this work is to ensure the required performance of individual systems in accordance with the instructions of the design documentation and confirm their readiness for acceptance.

8.2 The basic requirements for the performance of work at this stage must comply with the provisions established in 6.14 - 6.22.

8.3 By the time of comprehensive testing of technological and auxiliary systems, the standard fire-fighting equipment provided for in the design documentation must be adopted by the relevant working commissions.

8.4 If necessary, to carry out comprehensive testing of technological and auxiliary systems (on the linear part, technological pipelines, etc.), the customer must obtain permission to fill the pipeline with oil/petroleum products.

8.5 Before the date of commencement of connecting and filling the MT with oil/petroleum products, linear and, if necessary, on-site MT facilities must be completed and accepted by the working commissions with the execution of relevant acts: the pipeline itself with loopings and reserve threads, with transitions through natural and artificial obstacles, with linear valves, start-up and receiving units for cleaning and diagnostic devices, power lines, as well as electrical installations, communication lines with nodes and amplification points, linemen’s houses, helicopter landing pads, along highways, protective structures against emergency oil/petroleum product spills, ECP equipment , linear telemechanics, process pipelines of PS, RP, pumping, SIKN.

8.6 Work on filling with oil/petroleum products and comprehensive testing is carried out under the guidance of the customer.

8.7 Objects and structures subject to acceptance before the start of comprehensive testing must be staffed with operational personnel and provided with the necessary operational (operational) documentation; at these facilities working conditions must be created in accordance with labor protection requirements, industrial safety, fire safety And industrial sanitation. Facilities put into operation must be equipped with standard (in accordance with the design documentation) fire extinguishing means, including general purpose, fire and burglar alarm, means of environmental control of discharge, emissions, leaks of pollutants, as well as communication means and a warning system in case possible occurrence emergency situations.

8.8 Before comprehensive testing, objects and structures must be provided with energy resources, water, spare parts and other means necessary for their normal functioning. The specified requirements for materials are satisfied by the customer, and they must correspond to the volumes specified in the design documentation and relevant instructions.

8.9 In the process of comprehensive testing, the following is carried out: filling pipelines with oil/petroleum products (on the linear part, process pipelines, etc.), checking, adjusting and joint interconnected operation of equipment and service systems at idle, operating under load and bringing to a stable design technological mode within 72 hours. The specified actions and checks are carried out in the process of comprehensive testing of tanks, loading and unloading racks and at other OST facilities.

8.10 Comprehensive testing is carried out by the customer with the involvement of a commissioning contractor, a design organization, and, if necessary, specialists from the equipment manufacturer.

8.11 Prompt elimination of defects identified during comprehensive testing is the responsibility of the contractor who committed the defect.

8.12 The number of operating personnel and technical resources during comprehensive testing, as well as the operating mode of the facility (including operating parameters, duration, composition and properties of the test medium, temperature restrictions, etc.) are determined in accordance with the comprehensive testing program developed by the customer in relation to this object. Monitoring compliance with operating parameters is the responsibility of the customer. When carrying out comprehensive testing of equipment at facilities that are sources of pollution atmospheric air, it must be ensured that laboratory research air quality in the zone affected by the facility’s emissions in accordance with the program approved by the customer. The results of these laboratory tests are mandatory integral part acceptance committee documents.

8.13 Identified during comprehensive testing additional work, not provided for in the design documentation, must be carried out by the construction and installation organization according to additional agreement. At the same time, the customer develops design documentation for additional work and sets a deadline for completing the work and putting the facility into operation.

8.14 Defects technological equipment and pipes identified during comprehensive testing or earlier must be eliminated by the equipment supplier upon the customer’s complaint before issuing a certificate of acceptance of the facility for operation.

A similar requirement applies to hidden manufacturing defects identified during hydraulic testing of equipment and pipes for strength, as well as when checking them for leaks. Based on identified defects, the contractor, together with a representative of the inspection body, must draw up appropriate reports.

K category: Boiler installation

Sampling and testing of boiler room equipment

Installed equipment is tested and tested to ensure correct installation and readiness for comprehensive testing boiler unit. In the process of testing equipment, we achieve reliable operation mechanisms without knocking and jamming, leaks of liquid, air or fuel oil, as well as unacceptable heating of bearings and other rubbing surfaces.

Before the start of sampling and testing of equipment, unit-by-unit inspection reports are drawn up and compliance is checked next works:
— adding concrete to foundation bolts, support frames of mechanisms, supporting structures pipelines and metal structures;
- tightening of foundation bolts, as well as bolted connections mechanism and pipelines and metal structures connected to it (dust pipelines, gas-air pipelines, etc.);
— connection of pipelines supplying water to the mechanism for cooling bearings and hydraulic seals, drains and other auxiliary pipelines;
— completeness of installation of communications connected to the mechanism, including hydraulic testing;
- completeness electrical installation work, including permanent lighting of work areas and installation of a button for emergency shutdown of the electric motor;
- serviceability shut-off valves, remote drives and the presence of direction of rotation indicators on them;
— installation of instrumentation and automatic devices;
— installation of guards and covers on open rotating parts of the mechanism;
— thermal insulation of hot surfaces;
— covering channels, pits, manholes, etc., as well as installing service platforms, stairs and fences; deletion foreign objects, garbage and dirt. Special attention pay attention to availability and quality lubricants in bearings and gear housings.

Before starting turbopumps and piston steam pumps, the steam lines are purged and a completion report is drawn up.

Before a test run of the mechanism, manually turn the rotor and make sure there are no jams or knocks. Device activation automatic shutdown The mechanisms are checked manually. Next, briefly turning on the electric motor determines the correct direction of rotation of the rotor of the mechanism. A test run of the mechanisms is carried out at idle.

Centrifugal pumps are put into operation in the following sequence: close the valve on the pressure pipe on the coca, the vacuum gauge valve and open the pressure gauge valve; the pump and suction pipeline are filled with the pumped liquid, while air is released through air valves, plugs or other devices. In cases where the pump is installed above the liquid level in the receiving tank, it is filled with liquid through a funnel cut into the suction pipe of the pump, or by sucking liquid with an ejector or vacuum pump, and then the electric motor is started.

When the pump is idling, the energy of rotation of the pump impeller is spent on friction and heating of the liquid, therefore, after the pump reaches operating frequency rotation slightly opens the valve on the discharge pipeline to allow liquid to pass in an amount that prevents heating of the pump housing. For piston steam pumps, the valve on the discharge pipeline is opened so that the liquid pressure does not exceed the operating pressure. Pump operation is considered normal if there is no knocking or seizing, the heating of the bearings does not exceed 65 °C and the oil seals do not exceed 25 °C of ambient temperature, and vibration at the rated speed does not more values given below.

Testing of the pump is considered completed after normal and stable operation for 2 hours.

Next, the pump is tested under load for 4 hours to check its performance at a given head, pressure and power consumption. During the load test, the pump is usually turned on for recirculation. For example, water is supplied to the feed pump from the deaerator and is pumped back to the deaerator through a recirculation pipeline. If the pump is tested on hot liquid, then monitor the pressure at the pump suction. If the liquid pressure is less values given below for the corresponding temperature of the pumped medium, the liquid will boil and break stable work pump

A test run of smoke exhausters and fans is performed at idle with the guide vanes (vanes) closed. After the units reach full frequency rotation of the gate is partially opened, and in the absence of malfunctions, the mechanism operates for 10 minutes. After this, the smoke exhauster or fan is stopped and inspected. If no defects or malfunctions are found during the inspection, the mechanism is restarted and run idle for 1 hour, while monitoring for the absence of jamming of rotating parts, oil leaks and increased vibration. Bearings can heat up 35...40 °C above the ambient temperature, but not more than 65 °C.

If the results of testing the smoke exhauster or fan at idle are satisfactory, they are tested under load (with the guide vanes and dampers open) for 4 hours. In all cases, the smoke exhauster and fan are started at idle to avoid overloading the electric motor. Load the mechanism gradually, while observing the ammeter readings. The current consumption should not exceed the value specified in the mechanism's passport.

A test run of mechanical screens, coal and dust feeders is carried out at minimum speeds and without fuel. Mechanical gratings are tested at idle for 24 hours, and coal and dust feeders - for 4 hours. Indicators normal operation of these mechanisms at idle speed: absence of jamming, grazing and shock in moving parts, noise in gears, oil leakage from bearings and oil systems, uniform heating of bearings within 60...70 °C, vibration of feeder bearings no more than 0.12 mm and gearbox bearings - 0.05 mm.

Scraper systems for fuel supply, slag removal, conveyors and lifts are also tested at idle speed without coal and water in the scraper channels for 1 hour. At the same time, the proper operation of winches, guide blocks, limit switches and ropes is monitored. The scraper bucket must pass freely in the scraper channel without deviating from the guide devices or touching the channel walls. Defects identified during testing are eliminated before testing the equipment under load. Scraper systems are tested under load during a comprehensive testing of the boiler unit for 72 hours.

To identify and eliminate leaks gas-air path boiler unit, they will test the air ducts and air heaters, as well as the furnace and flue ducts of the boiler. Leaks in air ducts and air heaters are determined by pressure testing them with air forced by a blower fan. At the same time, the dampers on the air path after the air heater are closed.

Then one or two buckets of dry powdered chalk are poured into the fan suction pipe, which, coming out through existing leaks, marks the location of air leaks.

To determine leaks in the furnace and boiler flue ducts, a slight excess pressure is created in them using fans (in this case, the dampers in front of the smoke exhauster must be closed). At the same time, a special smoke bomb is ignited in the boiler furnace. The places where smoke escapes are marked with chalk and after testing the leaks are eliminated. In the firebox and flues, leaks can be determined in another way. To do this, turn on the smoke exhauster and create a vacuum in the flues. A burning torch is brought to the outer surfaces of the gas ducts. If there are leaks, the torch flame will deviate towards the air suction areas. The latter method of determining leaks is more labor-intensive and requires special care when using open fire in operating boiler rooms. Detected leaks are sealed with asbestos cord, followed by coating with a special mixture.

The results of individual testing of equipment under load are documented in a report, which serves as a document recording the completion of installation work for this equipment.

Chapter 1.3. ACCEPTANCE FOR OPERATION OF ELECTRICAL INSTALLATIONS

1.3.1. New or reconstructed electrical installations and start-up complexes must be put into operation in the manner set out in these Rules and other regulatory documents.

1.3.2. Before installation or reconstruction of electrical installations, it is necessary to:

• obtain technical specifications from the energy supply organization;
• complete design documentation;
• coordinate the design documentation with the energy supply organization that issued the technical specifications and the state energy supervision body.

1.3.3. Before accepting electrical installations into operation, the following must be carried out:

• during the construction and installation of a power facility - intermediate acceptance of equipment units and structures, including hidden work;
• acceptance testing of equipment and commissioning tests of individual electrical installation systems;
• comprehensive testing of equipment.

1.3.4. Acceptance tests of equipment and commissioning tests of individual systems must be carried out according to design schemes by the contractor (general contractor) with the involvement of the customer’s personnel after completion of all construction and installation work on the electrical installation being delivered, and comprehensive testing must be carried out by the customer.

1.3.5. Before acceptance and commissioning tests and comprehensive testing of equipment, compliance with these Rules, rules for electrical installations, building codes and regulations, state standards, occupational safety rules, explosion and fire safety rules, instructions from manufacturers, and equipment installation instructions must be checked.

1.3.6. To carry out commissioning and testing of electrical equipment, it is allowed to switch on electrical installations according to the design diagram on the basis of a temporary permit issued by the state energy supervision authorities.

1.3.7. During a comprehensive testing of equipment, the operability of the equipment and technological schemes and the safety of their operation must be checked; all monitoring and control systems, protection and interlock devices, alarm devices and instrumentation were checked and configured. Comprehensive testing is considered to be carried out under the condition of normal and continuous operation of the main and auxiliary equipment for 72 hours, and power lines for 24 hours.

1.3.8. Defects and deficiencies made during construction and installation, as well as equipment defects identified during acceptance and commissioning tests, comprehensive testing of electrical installations, must be eliminated. Acceptance for operation of electrical installations with defects and imperfections is not permitted.

1.3.9. Before testing and acceptance, conditions must be prepared for reliable and safe operation of the power facility:

• Electrical and electrical engineering personnel are staffed and trained (with knowledge testing);
• operational instructions, labor protection instructions and operational schemes, technical documentation for accounting and reporting were developed and approved;
• protective equipment, tools, spare parts and materials have been prepared and tested;
• communications, alarm and fire extinguishing, emergency lighting and ventilation facilities were put into operation.

1.3.10. Before being allowed into operation, electrical installations must be accepted by the Consumer (customer) in the prescribed manner.

1.3.11. Voltage is supplied to electrical installations only after obtaining permission from the state energy supervision authorities and on the basis of an electricity supply agreement between the Consumer and the energy supply organization.

1.2.7. Comprehensive testing must be carried out by the customer. During comprehensive testing, the joint operation of the main units and all auxiliary equipment under load should be checked.

Commencement of comprehensive testing of the power plantnew device is considered the moment it is connected to the network or underload.

Comprehensive testing of equipment according to the schememothers not provided for by the project are not allowed.

Comprehensive testing of equipment of power plants and boiler houses is considered to be carried out under the condition of normal and continuous operation of the main equipment for 72 hours on the main fuel with a rated load and design steam parameters [for gas turbine units (GTU) of gas] for a thermal power plant, pressure and water flow for a hydroelectric power plant, provided for in the launch complex, and with constant or alternate operation of all auxiliary equipment included in the launch complex.

Comprehensive testing in electrical networksis considered to be carried out under the condition of normal and notintermittent operation under equipment load understations within 72 hours, and power lines within 24 hours.

In heating networks, comprehensive testing of calculationscarried out under normal and continuous conditionsoperation of the equipment at full load for 24 hours nominal pressure, provided for in the commissioningin the complex.

For gas turbine plants, a mandatory condition for comprehensive testing is, in addition, the successful completion of10, and for hydraulic units of hydroelectric power stations and pumped storage power plants - 3 automaticno launches.

During comprehensive testing, it should be includedchens provided for by the project instrumentation, blocking,alarm and remote control devices,are protected and automatically controlled, not requiring operational adjustments.

If comprehensive testing cannot be carried out on the main fuel or rated loadand design parameters of steam (for gas turbines - gas) for heathowl of the power plant, pressure and flow of water for hydrotransmission lines during joint or separate testing and coolant parameters for heating networks cannot be achieved for any reason not related to the failure to complete the work provided for by the launch complex, the decision to conduct comprehensive testing on reserve fuel, as well as limit parameters and loads are accepted and established by the acceptance committee and are specified in the act of acceptance for operation of the launch complex.

Comprehensive testing should be carried out after eliminating defects and deficiencies identified working commission during unit acceptance and individual testing of equipment.

The main objectives of comprehensive load testing are:

Examination collaboration main units and
auxiliary equipment;

Revealing possible defects in equipment,
devices and structures.

The program and schedule for comprehensive equipment testing are drawn up by the customer together with commissioning organizations, agreed upon with the general contractor, installation organizations, and plant supervisors and approved by the acceptance committee.

Comprehensive testing is carried out by the customer with the participation of representatives of the general contractor, the general design organization, relevant installation and commissioning organizations, and, if necessary, manufacturers of equipment and equipment. To perform comprehensive testing, the customer provides:

Qualified operating personnel;

Fuel, demineralized water, condensate, electricity, steam, compressed air, lubricating oils and others auxiliary materials;

Additional instrumentation for monitoring the reliability of equipment operation.

During comprehensive testing, the general contractor and subcontractors ensure:

Performance necessary work to eliminate detected installation defects before the end of comprehensive testing (defects that do not reduce the reliability of equipment operation, do not lead to a deterioration in its technical and economic indicators and protection conditions environment, can be eliminated after completion of comprehensive testing);

Installation personnel on duty for the entire period of comprehensive testing.

The customer is responsible for safety precautions, explosion and fire safety during comprehensive testing.

After eliminating the defects and deficiencies identified during comprehensive testing, the acceptance committee accepts the power facility for operation.

Comprehensive testing is one of the more complex and responsible operational operations, since for the first time it connects all the power plant equipment into a single technological chain. Therefore, carrying out comprehensive testing requires not only good installation of equipment, but also careful preparation and qualified, well-coordinated work of operating personnel, who act at their workplaces during complex testing.

Work and activities carried out during the preparation and comprehensive testing of equipment are carried out according to the program and schedule developed by the customer or on his behalf by the commissioning organization and agreed upon with the general contractor and subcontractor installation organizations and, if necessary, with the supervisory staff of equipment manufacturers.

The comprehensive testing program must have a section defining the responsibility of testing participants for safety, explosion and fire safety.

Comprehensive testing should be preceded by:

- at thermal power plants: load testing of solid or liquid fuel supply devices with commissioning of air dust removal units on the fuel supply path, installations for mechanical sampling and cutting of samples solid fuel, metal collection devices; steam testing of the boiler; adjustment of safety valves; purging of steam lines; test firing of the boiler without turning and with turning the turbine (running in the turbogenerator, checking its vibration state, checking the safety circuit breaker; drying, adjusting and testing the generator); putting the water treatment plant into operation; organization of water regime and chemical control of the block or boiler; setting up monitoring and control systems on existing equipment; adjustment and testing of automatic control devices, remote and automatic control shut-off and regulatory bodies, technological protections and interlocks (to the extent possible under the conditions of test runs of equipment); adjustment, configuration and testing of protection and electrical automation;

-at hydroelectric power plants: testing the idling operation of the thrust bearing and bearings of the hydraulic unit; checking the transfer of the unit from manual control to automatic control; reading the characteristics of the automatic control system and checking the stability of the regulator; checking the opening of the guide vane during turbine start-up and idle mode, the starting angle of rotation of the impeller blades (for rotary-blade hydraulic turbines), and the rotation speed relay. After checking and testing the mechanisms at idle, permission is given to turn on the excitation and dry the generator in accordance with technical specifications for installation and instructions from the generator manufacturer. After drying, electrical tests of the generator windings are carried out according to a program drawn up in accordance with current GOSTs, as well as testing the electric machine exciter of the generator;

-in electrical networks: carrying out acceptance tests of all equipment and equipment of electrical installations and power lines included in the complex being put into operation electrical network, in accordance with the requirements of the Electrical Equipment Test Standards.

The purpose of comprehensive testing of substations and power transmission lines of the electrical network is to check the uninterrupted operation of the network under rated voltage and under load for a specified time; this ensures a sufficient level of reliability of the insulation of electrical equipment of power lines put into operation;

- in heating networks: purge of steam pipelines with steam discharge into the atmosphere, hydropneumatic flushing of water networks in closed systems heating supply and condenser lines, hydropneumatic washing and disinfection followed by re-rinsing with drinking water in open systems heat supply, hydraulic pressure testing of pipelines and equipment in accordance with the requirements of PTE, individual testing of pumping station equipment.

During comprehensive testing, the joint operation of the main units and their auxiliary equipment under load is checked.

The management of the comprehensive testing is carried out by a technical manager appointed by the commission, as a rule, the chief engineer of the energy enterprise.

To carry out comprehensive testing, the customer provides: qualified, trained (with knowledge testing) operating personnel; water, condensate, electricity, steam, compressed air, lubricants and other auxiliary materials; additional instrumentation to monitor the reliability of equipment operation during startup and commissioning.

During a comprehensive testing, the general contractor and subcontractors ensure the availability of installation personnel on duty for the entire period of complex testing and the completion of the necessary work to eliminate identified installation defects until the end of the comprehensive testing.

Repair work on equipment during the comprehensive testing period is carried out according to work permits in accordance with the requirements of the current PTE and PTB.

Comprehensive testing of double blocks is carried out when two boilers are ready. In the process of comprehensive testing, the technical possibility of reliable operation of the power plant with the generation, conversion or transmission of electrical or thermal energy envisaged by the project must be established. In accordance with this, PTEs require normal and continuous operation of the introduced object during comprehensive testing. Interruptions in operation caused by failures of the introduced equipment indicate its insufficient reliability and the need for additional adjustment or replacement (repair) of individual components. Based on experience, it has been established that in order to determine the operability of the equipment, it is enough for it to operate continuously for 72 hours. For gas turbine units (GTU) and hydraulic units of HPPs and PSPPs intended for operation in the mode of regulating load peaks in the power system, it is also necessary to ensure reliability work with frequent starts and stops. Therefore, a prerequisite for comprehensive testing of gas turbine units is the successful completion of 10 automatic starts, and of hydraulic units of hydroelectric power stations and pumped storage power plants - 3 automatic starts.

During comprehensive testing, it is not necessary to turn on automatic control devices that require routine adjustment; such adjustment should be carried out during the period of mastering the equipment.

Comprehensive testing of equipment, as a rule, is carried out using design fuel, at design steam (gas) parameters, rated load, pressures and water flow rates at the hydroelectric power station, at which maximum stresses are observed in the components and parts of the equipment. However, in some cases it may not be possible to meet this requirement.

If all the work provided for by the launch complex is completed in full, and the start-up and loading cannot be carried out according to external reasons: the absence of consumers of electrical and thermal energy for electrical and heating networks, the absence of design fuel for thermal power plants, then the acceptance committee may decide to conduct a comprehensive test using reserve (start-up) fuel with reduced parameters and loads compared to the nominal ones; for power transmission and substations by putting them under voltage (without loading); for heating networks with two or more pipes by circulating the coolant through a jumper, and for a single-pipe heating network by putting it under pressure.

The acceptance committee may also decide to conduct comprehensive testing at partial load and reduced steam and gas parameters (for gas turbine and combined cycle gas turbine units), if the main equipment (especially head samples) does not allow it to be carried out at nominal values ​​due to design flaws and revealed manufacturing defects .

The first units of newly built hydroelectric power plants, as a rule, are launched and undergo comprehensive testing at reduced water pressures due to incompletely constructed retaining structures, which should be reflected in the start-up complex; specific values starting pressures are established by the acceptance committee. Sometimes, to start at reduced flow rates and water pressures, temporary wheels of hydraulic turbines are used, designed to operate at reduced pressure.

More early implementation comprehensive testing with a deviation from the requirement to achieve the rated load and design parameters allows for hydroelectric power stations to reduce the payback period of capital investments, and for thermal power plants to reduce the period of equipment development. At the same time, the customer receives an earlier opportunity to gain experience in operating the equipment, identifying possible defects in the design, design and manufacture of equipment, which is especially important for prototype samples.

The commissioning certificate for the launch complex notes all deviations from the nominal values ​​in the operation of the equipment, accepted by the acceptance committee. The capacity commissioning plan must take into account the actual capacities achieved during comprehensive testing.