ABB ACH580-31 매뉴얼 - 페이지 14
{카테고리_이름} ABB ACH580-31에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. ABB ACH580-31 16 페이지. Converter modules with electrolytic dc capacitors in the dc link
ABB ACH580-31에 대해서도 마찬가지입니다: 빠른 설치 및 시작 매뉴얼 (16 페이지)
페이지 인쇄
14 Reforming the capacitors
3. Make this reforming circuit and connect it to the DC terminals of the converter module.
Disconnect
U
x
U
x
Voltage
200 V < U
< 240 V
×
380 V < U
< 415 V
×
380 V < U
< 500 V
×
525 V < U
< 690 V
×
4. Switch on the AC power supply of the reforming circuit for the time defined in section
Reforming time
5. Switch off and disconnect the AC power supply of the reforming circuit.
6. Wait for 5 minutes (10 minutes for wind turbine converters) to let the converter DC
capacitors discharge.
7. Measure that the voltage of the DC terminals of the converter is close to 0 V.
8. Disconnect the reforming circuit from the converter.
A
SUPPLY
SUPPLY
UNIT
W1
V1
U1
SKD 82/16
SKD 82/16
SKD 82/16
SKD 82/16
on page 9.
U
U
x
x
C
R
UDC-
UDC+
DRIVE MODULE
FREQUENCY
CONVERTER
Recommended components
A
R
220 Ohm / 700 W
220 Ohm / 700 W
470 Ohm / 1200 W
680 Ohm / 1700 W
INVERTER
INVERTER
UNIT
W2
V2
U2
C
22 nF / 2000 V
22 nF / 2000 V
22 nF / 2000 V
22 nF / 2000 V