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Three-Phase Grounding Voltage Transformer (GVT), or Grounding Potential Transformer (GPT), for MV Indoor Applications
EGP-3DF, EGP-6DF
This ground voltage transformer (GVT), or ground potential transformer (GPT), is a three-phase medium-voltage (MV) potential transformer for indoor applications. With a fuse for each phase, this PT (VT) features epoxy-insulated coils and a five-legged (five-limbed) laminated core. This voltage transformer is used with measuring or monitoring instruments, or for ground-fault protection.
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Single-Pole Voltage Transformers (Potential Transformers), or Three-Phase VT (PT) + GVT (GPT)
EPF-10CE, EPF-10DE, EPF-20SK, EPF-20SL, EPF-30DE
Voltage transformers from this series are indoor medium-voltage single-phase epoxy-resin-cast potential transformers suitable for 12kV, 24kV, and 36kV power systems. They are used in conjunction with measuring instruments for system monitoring and analysis or in combination with protective relays. Specific models can be equipped with a combination fuse assembly on the primary side. Additionally, models with a maximum thermal burden of 1000 VA can also function as a power source for circuit breaker operation, meaning they can serve as "control power transformers" or "control transformers," also known as CPT or CTR, or "industrial control transformers" or "machine tool transformers."
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