10/20kV Epoxy-Cast Potential Transformer (Power Source for Circuit Breaker Operation and Lighting)
Medium-Voltage Potential Transformer
About the Product
Single-phase indoor-use potential transformer EPF-20DZ, intended for a 12 or 24 kV power system, is designed for the measuring and monitoring of the voltage signal.
Due to its continuous output capacity of 4000VA (max.), this potential transformer can be used in a small substation or a switchgear panel as a power source for circuit breaker operation and lighting equipment. This setup helps to conserve space and reduce cost.
In addition, the EPF-20DZ potential transformer can be connected to one or two smaller-capacity potential transformers to form a three-phase potential transformer (3ϕ PT). This can be done via a V-V or Y-Y connection.
Cast in self-extinguishing Araldite® epoxy resin, the EPF-20DZ potential transformer is characterized by superior insulation and excellent safety.
- Standard: IEC or IEEE*
- System Voltage: 12 or 24 kV
- Frequency: 50 / 60 Hz
- Power source for circuit breaker operation and lighting
- Option: Forming a three-phase PT through connection with one or two smaller-capacity potential transformers (via a V-V or Y-Y connection)
- No risk of oil leakage
- Includes a fuse on the secondary side
Burden / Accuracy
|AC / BIL|
22 or 11
* Other standards and specifications available.
** This specification comes with an added tap in the secondary winding so as to offer two voltage ratios (22-11 kV).
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10/20kV Epoxy-Cast Potential Transformer (Power Source for Circuit Breaker Operation and Lighting) – Model: EPF-20DZ
Easy-to-print document, containing product description, features, and specifications.
How to select, based on application and power system attributes, the primary and secondary currents, burden, accuracy, rated frequency, type (indoor vs. outdoor), insulation material, etc.