LZX-10, LZZ-10KV Epoxy Resin-Cast indoor Current Transformers
LZX-10, LZZ-10, LZZW-10 Current Transformers – High-Voltage Epoxy Resin-Cast, are fully enclosed, epoxy resin-cast pillar-type devices designed for both indoor and outdoor use. Suitable for power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV or below, these transformers comply with IEC44-1 and GB1208 standards, ensuring high accuracy and […]
LZX-10, LZZ-10, LZZW-10 Current Transformers – High-Voltage Epoxy Resin-Cast, are fully enclosed, epoxy resin-cast pillar-type devices designed for both indoor and outdoor use. Suitable for power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV or below, these transformers comply with IEC44-1 and GB1208 standards, ensuring high accuracy and reliable performance for current measurement, energy metering, and relay protection in demanding environments.
LZX-10, LZZ-10 CT Type designation
The model designation reflects the key features of these current transformers:
- L: Denotes “Current Transformer” (CT).
- Z: Indicates “Casting Resin Insulated.”
- Z: Specifies “Post Type” construction.
- 10: Refers to the voltage grade, indicating a rated voltage of 10kV.
This clear designation ensures easy identification of the product’s structure and technical specifications
LZX-10, LZZW-10 Current Transformer Service conditon
- Altitude: ≤1000m
- Temperature: -25°C to +40°C
- Humidity: ≤90% at 20°C
- Environment: Free from harmful gases and pollutants
- Vibration: Designed for stable, impact-free operation.
The epoxy resin structure provides excellent resistance to pollution and humidity, ensuring reliable performance in specified conditions. Customization is available to meet stricter environmental requirements based on user needs.
LZX-10, LZZ-10 CT Construction
- Epoxy Resin-Cast Design: Fully enclosed pillar-type structure with resistance to arcs, aging, and UV radiation, ensuring excellent insulation, durability, and a long service life.
- Primary and Secondary Windings:
- Primary Windings (P1, P2): Emerge from the top for easy identification and connection.
- Secondary Windings (S1, S2): Accessible from the lower side, designed for convenient installation and secure connections.
- Core Material: High-quality silicon steel core minimizes losses and delivers high accuracy.
- Compliance: Fully adheres to GB1208-1997 and IEC44-1 standards, ensuring reliable and consistent performance.
- Applications: Ideal for current measurement, energy metering, and relay protection in 10kV power systems.
LZX-10, LZZ-10 CT Technical Parameters
The LZX-10 and LZZ-10 Current Transformers are designed for 10kV power systems, supporting primary currents from 5A to 400A and offering multiple accuracy classes, including 0.2S, 0.2, 0.5, 10P10, and 10P15. With short-time thermal currents up to 45kA and dynamic currents up to 112.5kA, meet power grid standards with a rated insulation level of 12/42/75 kV, they deliver reliable performance for both measurement and protection.
Rated Primary Current (A) | Rated Output (VA) | Rated Short-time Current (kA/1s) | Rated Dynamic Current (kA) | ||||
---|---|---|---|---|---|---|---|
0.2S | 0.2 | 0.5 | 10P10 | 10P15 | |||
5-100 | 10 | 10 | 10 | 15 | 15 | 13.5 | 34 |
150 | 10 | 10 | 10 | 15 | 15 | 18 | 45 |
200 | 10 | 10 | 10 | 15 | 15 | 27 | 67.5 |
300 | 10 | 10 | 10 | 15 | 15 | 36 | 36 |
400 | 10 | 10 | 10 | 15 | 15 | 45 | 112.5 |
Customization and Support: We offer tailored solutions for LZX-10, LZZ-10, and LZZW-10 Current Transformers to meet unique requirements, such as specific current ratios, higher-rated outputs, or stricter environmental adaptations. Contact us for customized designs to perfectly match your application needs.
LZZW-10 Epoxy Resin-Cast Current Transformer – Outline
For detailed installation drawings and dimensions, refer to the provided documentation or contact our technical team for assistance. Proper installation guarantees the stability, safety, and long-lasting performance of the LZX-10, LZZ-10, and LZZW-10 Current Transformers.
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