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Electric starters for start GTU

Design and manufacture of gas-turbine plants is one of major directions in activities of JSC “Electroprivod”. In present time it is held the design of the electric starters according to technical programs JSC “Aviadvigatel”, Perm and JSC “KMPO”, Kazan.

 

SETTING.

 

The electric starters is intended for starting and idling of gas-turbine plants in set of driving gas-turbine power stations and gas-pump aggregates. Their use instead of pneumatic starters ensures ecology purity and energy saving in starting process of gas-turbine plants.

 

FEATURES

 

 In quality of electric starter it is used mechatronic system which includes asynchronous motor with squirrel-cage and frequency transformer “Uncontrolled rectifier – transistored inverter” with microprocessor control system. This system realized algorithm of vectorial control. The frequency transformer provides limitation of starting currents and torques and protection asynchronous motor from overloads, exclude brake-downs of mechanical parts by starts and stops of gas-turbine plants.

In electric starters are applied technical decisions which are used in making and manufacture of aircraft technique. They allow to provide requiring characteristics, small overall dimensions of electric motor and high reliability and operating life of electric starters.

 

COMPLETE SET

 

In complete set of electric starter enter asynchronous motor, control unit with frequency transformer and connecting cables.     

The unit of electric starter has programming logic, built-in facilities of check and interfaces  RS-232 и RS-485 for communication with personal computer. The electric motor is fulfilled in explosion-protection implementation 2Ехd11АТ3.





Type of electric starter

СТЭ-18СТ

СТВД-25Д-9000

СТВД-25Д-10Т

СТВД-30Д-11Т

Type of gas-turbine plant/electric power of gas-turbine plant

НК-16СТ/16

НК-38СТ/16

ГТУ-2,5П/2,5

ГТУ-4П/4

ГТУ-6П/6

ГТУ-25П/25

ГТУ-30П/30

Object of use

ГПА-Ц-16

ГПА-Ц-16 НК-38

ГПА-16 «Volga»

ГЭТС of types:

Urals - 2500

Urals - 4000

Urals- 6000

ГТЭС - 25

ГТЭС

ГПА

Stage of design

Manufacture of experimental models

Training of serial production

Manufacture of experimental models

Manufacture of experimental models

Power of electric starter, kW

65

120

140

160

Supply voltage  of three phase mains, V

380

380

380

380

Voltage frequency, Hz

50 - 60

50 - 60

50 - 60

50 - 60

Electric starter generates torque, no less, N∙m(kgf∙m)

300 (30)

122,5 (12,5)

134 (13,4)

205,8 (21,0)

Rotation frequency of electric motor output shaft, no less, min-1

2600

9000

10000

11000

Brake time of electric motor after switch-off, no more, sec

10

10

10

10

Voltage of control signals, V

27

27

27

27

Operating condition

intermittent

intermittent

intermittent

intermittent

Mass of electric motor, kg, no more

 

57

135,5

140

140

Overall dimensions of electric motor, mm

Ǿ210×450

Ǿ300×576

Ǿ300×576

Ǿ300× 576

Overall dimensions БУС, mm

1500×1000×400

2000×800×400

2000×800×500

2000×800×500




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