DAHU electrical specializes in the production of 0.5-40.5kv transformers. It has cooperated with many national power bureaus for 10 years and exported to foreign markets. If there is any quality problem within the warranty period, it can be replaced free of charge.
Information about 11KV single-phase voltage transformer (potential transformer) is as follows:
Product model and application: JDZ type 11KV single-phase potential transformer, also known as voltage transformer (VT), is suitable for high-voltage power systems, for electrical energy measurement, voltage monitoring and relay protection
.
Technical parameters:
Rated primary voltage: 11KV
Maximum equipment voltage: 12KV
Rated secondary winding voltage: 0.1KV
Residual winding voltage: 0.1KV
Rated capacitance value of capacitor divider CN: 0.01μF
Rated short-time frequency withstand voltage (1min square root value): 230KV
Rated lightning impulse withstand voltage (1.2/50μs peak): 550KV
Rated lightning impulse withstand voltage intercept (2μs~5μs peak): 633KV
Partial discharge level: ≤10pC (under Um), ≤5pC (under 1.2Um)
Dielectric loss factor tanδ: ≤0.08% (under Un), ≤0.1% (10kV)
Rated voltage factor and rated time: 1.5/30s, 1.2/continuous
.
Product Features:
The product consists of two parts: capacitor voltage divider and electromagnetic unit. The medium voltage terminal and low voltage terminal of the capacitor voltage divider are directly introduced into the tank equipped with the electromagnetic unit.
Adopting speed saturation damping device, the transient response speed is fast and can damp ferromagnetic resonance.
The oil tank and junction box are aluminum alloy casting, and the expander and nameplate are made of stainless steel, so all the exposed parts will never rust.
The product optimizes the sealing structure and has good sealing performance.
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Information about 11KV single-phase voltage transformer (potential transformer) is as follows:
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