JSZV18-3/6/10R Three-Phase Voltage Transformer | Indoor Cast Resin PT

Product Description

The JSZV18-3/6/10R series three-phase voltage transformer is an indoor medium-voltage electrical instrument independently produced by ZK&ZHIKAI, specially designed for 3kV, 6kV and 10kV power distribution systems. Adopting advanced epoxy resin casting insulation technology and V-type connection structure, the product is equipped with fuse protection, featuring stable performance, high measurement accuracy and reliable operation.

Compliant with national standard GB/T20840.1, 3 and international standard IEC 61869-1, 3, this series is optimized for indoor working conditions, with excellent environmental adaptability and a compact structural design that is easy to integrate into switchgears and distribution panels. It is the core equipment for accurate voltage measurement, energy metering and power system protection in medium-voltage grids, widely used in industrial and civil power distribution scenarios.

Key Features

1. Three-Phase V-Type Connection: Classic V-wiring design for three-phase voltage measurement, compact structure and easy on-site wiring, suitable for indoor medium-voltage distribution system configuration.
2. Fuse Protection Equipped: Built-in fuse protection function effectively prevents equipment damage caused by overcurrent and short circuit, greatly improving the safety and reliability of the whole system.
3. High-Grade Cast Resin Insulation: Epoxy resin casting insulation process, with excellent resistance to electric arc, moisture and aging, long service life and low daily maintenance cost.
4. Multiple Accuracy Class Options: Covers 0.2, 0.5 and 1 accuracy classes, meeting the requirements of high-precision energy metering, on-site voltage measurement and power grid monitoring.
5. Standardized Performance Parameters: Strictly complies with national and international electrical standards, stable output performance and good interchangeability, easy to match with various metering and protection devices.
6. Wide Environmental Adaptability: Adapt to ambient temperature of -5°C~+40°C and rated frequency of 50Hz, suitable for most indoor power distribution room working conditions.
7. Fixed Standard Installation Size: Unified and standardized mounting dimension design, with reserved fixed installation holes, convenient for quick installation and integration into standard switchgear.

Technical Specifications

Applications

1. 3/6/10kV Indoor Medium-Voltage Distribution Systems: Core measuring equipment for indoor switchgears, ring main units and distribution panels in industrial and civil power grids, realizing accurate three-phase voltage measurement.
2. Industrial Production Facilities: Applied in factories, mines, metallurgy, petrochemical and other industrial sites for on-site power grid voltage monitoring and energy metering, adapting to complex industrial power load conditions.
3. Commercial & Civil Buildings: Configured in the power distribution room of high-rise buildings, shopping malls, hospitals, schools and other places to ensure the safe and stable operation of the internal medium-voltage power grid.
4. Power Distribution Substations: Used in 10kV and below indoor distribution substations for voltage monitoring and protective relaying, matching with relay protection devices to realize fault alarm and tripping.
5. Power Grid Reconstruction & Upgrading: Ideal replacement product for old voltage transformers in 3/6/10kV power grid transformation projects, with high compatibility and easy system upgrade and transformation.
6. Special Power Distribution Scenarios: Suitable for indoor power distribution systems with high safety requirements, relying on fuse protection and stable performance to ensure the reliability of power grid measurement and protection.

Specification：

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