Manual

Appendix E
7000 “A” Frame 7000A-RM001A-EN-P – January 2011
Specifications
Description Specifications
Power Rating (Air Cooled) 200 to 1250 hp (150 to 933 kW)
Motor Type Induction or Synchronous
Input Voltage Rating 2400V, 3300V, 4160V, 6600V
Input Voltage Tolerance ± 10% of Nominal
Voltage Sag  -30%
Control Power Loss Ride-Through 5 Cycles (Std)
Input Protection Surge Arrestors
Input Frequency 50/60 Hz, +/- 5%
Power Bus Short-circuit Current Withstand 5 Cycle
3300 V – 6000 V  25 kA RMS SYM
Basic Impulse Level  50 kV (0 – 1000 m)
Power Bus Design Copper – Tin plated
Ground Bus Copper – Tin plated 6 x 51 mm (¼ x 2 in.)
Customer Control Wire Way Separate and Isolated
Input Power Circuit Protection
Vacuum Contactor with Fused Isolating Switch
(optional)
Input Impedance Device Isolation Transformer or AC Line Reactor
Output Voltage
0 – 2300 V
0 – 3300 V
0 – 4000 V
0 – 6000 or 6300 V
Inverter Design PWM
Inverter Switch Symmetrical Gate Commutated Thyristor (SGCT)
Inverter Switch Failure Mode Non-rupture, Non-arc
Inverter Switch Failure Rate (FIT) 100 per 1 Billion Hours Operation
Inverter Switch Cooling Double Sided, Low Thermal Stress
Inverter Switching Frequency 420-540 Hz
Voltage SGCTs (per phase)
Number of Inverter SGCTs
2400 V
3300 V
4160 V
6600 V
2
4
4
6
Voltage PIV
SGCT PIV Rating
(Peak Inverse Voltage)
2400 V
3300 V
4160 V
6600 V
6500 V
6500 V
6500 V
6500 V
Rectifier Designs AFE (Active Front End)
Rectifier Switch SGCT
Rectifier Switch Failure Mode Non-rupture, Non-arc
Rectifier Switch Failure Rate (FIT) 100 (SGCT) per 1 Billion Hours Operation
Rectifier Switch Cooling Double Sided, Low Thermal Stress
 Voltage Sag tolerance is reduced to -25% when control power is supplied from medium voltage via CPT.
 Short-circuit fault rating based on input protection device (contactor or circuit breaker).
 BIL rating based on altitudes < 1000 m (3,300 ft.) Refer to factory for derating on altitudes >1000 m).
Specifications