NDXB-C Series Resonant Boost Device for CVT Testing-Wuhan Nanxing Electric Power Technology Co., Ltd.

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NDXB-C Series Resonant Boost Device for CVT Testing

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Series Resonant Withstand Voltage Test Device

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NDXB-C 系列CVT检验用谐振升压装置

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Product Details

■ Product Overview

Capacitive voltage transformer (CVT) During verification, the test frequency must be within 50Hz under the conditions of , Meanwhile, the on-site geological conditions are complex. , Conventional experimental setups can no longer adequately meet the requirements for on-site transportation and testing. ,NDXB-C The type‑adjustable resonant boost device is the first domestically developed adjustable resonant apparatus used for on‑site verification. , It has been widely used domestically. 500KV On-site verification of capacitive voltage transformers rated at 10 kV and below. This series of devices employs a multi-section reactor in series, resulting in a compact footprint, light weight, and straightforward wiring and operation. , It is an ideal next-generation product for professionals in power metering and high-voltage testing. Depending on user requirements, the resonant boost device offers two types of reactors: fixed reactors and adjustable reactors.

■ Product Features

The output voltage and current waveforms are of good quality, with total harmonic distortion less than 0.5%;

It requires a small capacitance, and the required power supply capacity is that of the test capacity. 1/Q times, and Q The value can be achieved. 20-60;

Overvoltage protection is not required. When the test specimen breaks down, the system becomes detuned, the resonant high voltage disappears, and the reactor immediately limits the short-circuit current, thereby preventing further damage to the specimen. ;

Designed for convenient on-site handling, this device is a dry-type series resonant system comprising an excitation transformer and multiple resonant reactors. Each individual module is compact and lightweight, making it easy to transport and well-suited for field applications. ;

The protection functions are comprehensive and include zero-position protection. ( Do not start the system when the voltage output control knob is not at the zero position. ) , features such as overvoltage protection, overcurrent protection, and flashover protection ensure the system’s reliability.

■ Product Specifications

	Number of reactors	Control box capacity (KVA)	Excitation transformer capacity (KVA)	Excitation transformer voltage (kV)	Device output voltage (kV)
110KV	2	5	5	6	80
220KV	4	5	5	10	160
330KV	6	10	10	15	240
500KV	8	10	10	20	320

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NDXB-C Series Resonant Boost Device for CVT Testing

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