What Is Dry Indoor Discharging Coil Transformer?

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What Is Dry Indoor Discharging Coil Transformer?

Date:06-16-2026

I. Product Introduction

The dry indoor discharge transformer is of epoxy resin vacuum casting structure. It is mainly used for discharging the capacitor bank in the power system to ensure the safety of personnel and equipment after power outage.

 

II. Main Features

1. Single-phase indoor dry structure, good heat dissipation, and easy maintenance

2. Rapid discharge (core function).

3. Voltage monitoring and relay protection.

 

III. Usage Precautions

To ensure safety, special attention should be paid during installation and use:Do not open circuit: Do not use hard conductors (such as aluminum bars, copper bars) to directly parallel connect the discharge transformer to the capacitor bank to prevent a first-time open circuit that may cause the product to be scrapped.

Reliable grounding: The casing of the discharge transformer must be reliably grounded to prevent electric shock from induced voltage.

Environmental requirements: The installation site should be free of corrosive gases, vapors, and severe mechanical vibration, with a relative humidity not exceeding 95%.

 

IV. Application Scenarios

It is commonly used in high-voltage capacitor cabinets, reactive power compensation devices, and capacitor groups of substations. It is an important safety protection component in the power system.

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