JDZ(X)9-10 Indoor Voltage Transformer
The JDZ9-10 and JDZX9-10 are single-phase, epoxy resin cast indoor voltage transformers designed for 50/60Hz power systems with rated voltages up to 10kV. They provide accurate voltage measurement, energy metering, and reliable relay protection for medium voltage distribution networks.
The JDZX9-10 variant includes an additional residual voltage winding for ground fault detection in unearthed neutral systems.
The JDZX9-10 is a variant of the JDZ9-10 featuring an additional residual voltage winding for zero-sequence voltage detection and ground fault protection in ungrounded or resonant grounding systems.
Epoxy resin cast insulation with a fully enclosed structure
Compact and lightweight for easy switchgear installation
Stable performance and accuracy with quality silicon steel core
Convenient secondary terminal box for wiring
Rated insulation level: 12/42/75 kV
Compliant with GB and IEC standards
Applications
Indoor medium voltage switchgear
Power metering and voltage monitoring in substations
Relay protection in industrial plants
