Southern States 38 kV-170 kV CapSwitcher - Manual (Page 3)

Title: Southern States 38 kV–170 kV CapSwitcher ®
Vertical Interrupter Style Capacitor Switcher
Product Specification
Guide
Page 3 of 10 Publication No.: PSG-807-031109
Rated Maximum
Voltage
38 kV 48.3 kV 72.5 kV 123 kV 145 kV 170 kV
Rated Power
Frequency Withstand
Voltage
80 kV 105 kV 160 kV 260 kV 310 kV 365 kV
Rated Lightning
Impulse Withstand
Voltage (BIL)
200 kV 250 kV 350 kV 550 kV 650 kV 750 kV
Rated Power
Frequency
50/60 Hz
Rated Continuous
Current
600 A 650 A
Peak Withstand
Current
104 kA 164 kA
Short-Time
Symmetrical
Withstand
40 kA RMS 1 sec
40 kA RMS 1 sec,
63 kA RMS 18 cycles
Rated Short Circuit
Interrupting Current
25 kA 40 kA
Number of Full Fault
Operations
30 10 at 40 kA, 15 at 31.5 kA, 30 at 20 kA
Interrupting Speed
5 cycles 3 cycles
Fault Closing
10 time 40 kA, 15 time 31.5 kA,
30 time 20 kA
2 time 63 kA, 10 time 40 kA,
15 time 31.5 kA, 30 time 20 kA
Rated Duty Cycle
CO – 5 min – CO – 5 min – CO
(Note: The 5 minutes is to allow the substation capacitor bank to discharge.)
CAPACITOR SWITCHING RATINGS
Rated Capacitive
Switching Current
600 A 650 A
Back-To-Back
Capacitor Bank
Breaking Current
600 A 650 A
Rated High-Frequency
Transient-Making
Current / Transient
Inrush Frequency
18 kA peak / 4630 Hz 20 kA peak / 4600 Hz
Resistor Value
See Table in 3.03.01
Pre-insertion time 5-15 ms
3.02.02 Additional
The capacitor switcher shall have an endurance life of 10,000
operations.