CT257 RCC PROCESSOR
VESTAS CT257 RCC PROCESSOR
ROTOR CURRENT CONTROLLER
ITEM 90826, 95375, 883514
Vestas CT257 control unit is used on the following turbines
1. V39 600KW, VMP3500
2. V42 600KW, VMP3500
3. V44 600KW, VMP3500
4. V63 1500KW, VMP3500
5. V66 1650/300KW, VMP3500
Portable stand alone test setup for CT257 RCC Processsor

VESTAS RCC POWER MODULE TESTING
ITEM 883526 & 883528

V42-44 600KW RCC Test Setup

V66 1.65MW RCC Test Setup
CT257 tester screen shot

CT257 Calibration Setup


RCC ECHO TESTER using service menu 22

Refurbishing RCC power module start by dismantling all the parts, cleaning and testing each components.

We dont use the old IGBTs, we use new 2011 date code new technology IGBT which has higher current rating and lower switching loss. The power module will be more reliable

New RCC driver board
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