Turbomachinery Package Specification

Taurus 60 Compressor Set and Mechanical Drive

 

 

Figure 9. Typical Direct-Drive AC Starter Motor and Variable Frequency Drive

 

RADIO

VARIABLE

 

LINE REACTOR

INTERFERENCE

FREQUENCY

 

FILTER

DRIVE

 

AC POWER

 

M

GAS

CONNECTION

 

TURBINE

 

 

 

 

CLUTCH

 

 

 

AC ASSEMBLY

 

 

 

MOTOR

 

Figure 10. Typical Direct-Drive AC Start System7.2.4Power Wiring

The start system, (Figure 10) requires customer-furnished, three-phase AC input. Additional three-phase AC power wiring is required to connect the VFD to the starter motor. A start contactor is not required for VFD operation. A customer-furnished fused disconnect at the VFD input is recommended. Optional motor space heater wiring is available.

Table 6. Direct Drive AC Start System Specifications

Variable Frequency Drive

Optional Voltage Input Ranges

380 to 460 VAC, (48 to 62 Hz)

Minimum Input Current

 

- 380 to 460 VAC Input

525 amps

Voltage Output Range

0 to 460 VAC, (0 to 240 Hz)

Maximum Line Distribution Capacity

1000 kVa

Maximum Fault Current Capacity

30 000 amps, See Note (a)

Maximum Breakaway Amperage

383 amps

Maximum Breakaway Torque

918 N-m (677 ft-lb)

© 2009 Solar Turbines Incorporated. All rights reserved.

TPS60CSMD/309

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