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High Voltage Soft Grid-connected Device

CGC series high-voltage soft grid-connected device is soft grid-connected device designed for a high-voltage generator with a relatively new concept, which is mainly suitable for the control and protection of the start and stop of the generator.
Availability:
  • CGC
  • XiChi

This device adopts optical fiber isolation, dynamic and static voltage equalization protection measures, and realizes the high-performance operation of the equipment. The device performs closed-loop control of the SCR through the grid connection momentarily, and uses the grid reactive power to excite the generator. At the same time, a special algorithm for soft grid connection is adopted, which reduces the power oscillation problem in the grid connection link.

The use of a soft grid-connected device can reduce the grid-connected impulse current of the motor and reduce the impact on the grid and the motor itself. At the same time, it also reduces the impact on the mechanical equipment, so as to prolong the service life of the equipment and reduce the failure and downtime.

Features of grid connected wind generator

  • The advanced optical fiber transmission technology realizes the isolation between the trigger detection of the high-voltage thyristor and the low-voltage control loop.

  • The CGC is equipped with an electromagnetic lock device to prevent it from entering the high-voltage device by mistake under the condition of electrification.

  • Advanced control algorithm reduces current impact and power shock during grid connection.

  • Chinese and English LCD display system, user-friendly operation interface

  • Built-in vacuum contactor, which can directly start the motor

  • High-voltage thyristor is the main circuit component, and has voltage equalization protection and overvoltage protection systems.



Voltage Class

Model

Rated Current (A)

Width (mm)

Height (mm)

Depth (mm)

3000V

CGC-400-3

100

1000

2300

1500

CGC-630-3

150

CGC-1600-3

400

1300

2300

1600

CGC-2500-3

≥600

reserved

6000V

CGC-420-6

50

1000

2300

1500

CGC-630-6

75

CGC-1250-6

150

CGC-1600-6

200

1300

2300

1600

CGC-2500-6

300

CGC-3300-6

400

CGC-4150-6

500

CGC-5000-6

≥600

reserved

10000V

CGC-420-10

30

1000

2300

1500

CGC-630-10

45

CGC-800-10

60

CGC-1250-10

90

CGC-1500-10

110

CGC-1800-10

130

CGC-2250-10

160

CGC-2500-10

180

CGC-2800-10

200

CGC-3500-10

250

CGC-4000-10

280

CGC-4500-10

320

1300

2300

1600

CGC-5500-10

400

CGC-6000-10

430

CGC-7000-10

500

CGC-8500-10

≥600

reserved


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