Medium Voltage-Autotransformer (10-13.8 Kv); Autotransformer Starter (10,000-13,800 Volts) - Trane Starters Engineering Bulletin

Medium-Voltage Starter Types (10,000–13,800 Volts)
Medium Voltage—Autotransformer (10–13.8 kV)
Autotransformer Starter (10,000–13,800 volts)
Starting sequence
Refer to the autotransformer starting sequence
Standard features
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Dimensions
Typical dimensions for remote-mounted autotransformer starters are shown in
PFCCs, if required, are housed in a 36-inch wide auxiliary cabinet (not shown). Always consult the
submittal drawings for as-built dimensions.
Environmental specification
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Figure 37. Remote-mounted, autotransformer dimensions
48
4 kVA control-power transformer
Primary and secondary current transformers (CTs)
Potential transformers (PTs)
Grounding provisions
Bolted line-power connections
Bolted load-side connections for remote starters
Standard motor protection
Designed, developed and tested in accordance with IEC 60470, 62271-200
NEMA 1 enclosure as standard
Operation from sea level to 6,000 ft (1,829 m)
Operating ambient temperature range 32°F to 104°F (0°C to 40°C)
• Relative humidity, non-condensing 5 percent to 95 percent
Non-operating ambient temperature range -40°F to 158°F (-40°C to 70°C)
Voltage utilization range ±10 percent
MAIN BUS
INCOMING
LOW-VOLTAGE
LINE
SECTION
132"
("Starting sequence, " p.
MAIN BUS
MAIN BUS
38).
Figure 37, p.
96"
36"
CTV-PRB004-EN
48.