Page 126 - Practical Power System and Protective Relays Commissioning
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Voltage Transformers Chapter | 11 125
FIGURE 11.2 Cut view of a double-pole voltage transformer.
FIGURE 11.3 VT equivalent circuit, where Z H is the primary leakage impedance; Z L is the
secondary impedance; R m and X m are the core losses and exciting components, respectively; and
2
n is the factor to refer Z H to the secondary side.
