GCU08BA-130 Datasheet, PDF (5/6 Pages) Powerex Power Semiconductors – GCT THYRISTOR UNIT HIGH POWER INVERTER USE PRESS PACK TYPE

Note 1. Status signal
1. Status signal from LED
(1) Status signal
Status of GCT
On state
Off state
LED 1
(Red)
OFF
ON
MITSUBISHI GCT (Gate Commutated Turn-off) THYRISTOR UNIT
GCU08BA-130
HIGH POWER INVERTER USE
PRESS PACK TYPE
LED 2
(Yellow)
ON
OFF
(2) Fault signal
Status
Normal
Fault
Fault
Fault
G-K
Normal
Normal
G-K short
G-K short
Power Supply
20±1V
Voltage down
20±1V
Voltage down
G-K LED (LED 3)
(Green)
On
Off
Off
Off
PS LED (LED 4)
(Green)
On
Off
On
Off
2. Status signal from Transmitter
(1) Normal operation
Control signal
(Control board)
Control signal
(GDU input)
Status signal
(GDU output)
L
NL
L
NL
L
NL
(3) Fault signal (G-K short)
Control signal
(Control board)
Control signal
(GDU input)
Status signal
(GDU output)
NL
NL
L
Normal
L
L
NL
Fault
(L : Light NL : No light)
(2) Fault signal (O/V or U/V)
Control signal
(Control board)
Control signal
(GDU input)
Status signal
(GDU output)
L
NL
L
NL
L
L
NL
Normal
Fault
(4) Fault signal (fiber optic)
Control signal
(Control board)
L
NL
Control signal
(GDU input)
NL
L
Status signal
(GDU output)
(Always No light)
(Always light)
Mar. 2004