4 CTV-PRB004-EN
Table of Contents
Introduction ............................................................ 6
About Starters .......................................................... 7
What a Starter Does ................................................7
Motor Types and Voltage Classes ........................................8
Voltage Classes .................................................... 8
Motors ........................................................... 8
Chiller Selection and Electrical Specification .............................10
Standard Components of Trane Starters ............................. 10
Chiller Selection Report ............................................ 10
Motor Protection ......................................................13
Low-Voltage Starter Types ............................................. 17
Low Voltage—Wye-Delta ........................................... 18
Wye-Delta Starters ........................................... 18
Low Voltage—Solid-State ..........................................22
Solid-State Starters ........................................... 22
Low Voltage—Unit-Mounted Adaptive Frequency Drive ................25
Low Voltage—Remote-Mounted Adaptive Frequency Drive ............. 28
Medium-Voltage Starter Types (2,300–6,600 Volts) ....................... 31
Medium Voltage—Across-the-Line (2.3–6.6 kV) ....................... 32
Across-the-Line Starter (2,300–6,600 volts) ........................ 32
Medium Voltage—Primary Reactor (2.3–6.6 kV) ....................... 35
Primary Reactor Starter (2,300–6,600 volts) ....................... 35
Medium Voltage—Autotransformer (2.3–6.6 kV) ...................... 38
Autotransformer Starter (2,300–6,600 volts) ....................... 38
Unit-Mounted Starter Top Hat—NEC 2005 Code Requirement ........ 40
Medium Voltage—Remote-Mounted Adaptive Frequency Drive .........42
Chiller Unit Control Features for the AFD ......................... 43
Medium-Voltage Starter Types (10,000–13,800 Volts) ..................... 45
Medium Voltage—Across-the-Line (10–13.8 kV) .......................45
Across-the-Line Starter (10,000–13,800 volts) ...................... 45
Medium Voltage—Primary Reactor (10–13.8 kV) ...................... 47
Primary Reactor Starter (10,000–13,800 volts) ..................... 47
Medium Voltage—Autotransformer (10–13.8 kV) ...................... 48
Autotransformer Starter (10,000–13,800 volts) ..................... 48
Electrical System—Ratings ............................................. 49
Electrical System—Design Guidelines ................................... 52
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