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Zero-sequence and phase-sequence integrated electronic voltage sensor

Zero-sequence and phase-sequence integrated electronic voltage sensor

The main application is in an inflatable ring network cabinet.

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商品描述

The main application is in an inflatable ring network cabinet.


Scope and use:
1. Zero-sequence and phase-sequence integrated electronic voltage sensor is a new type of sensor for high-voltage zero-sequence protection. The main application is in an inflatable ring network cabinet.
2. The sensor has powerful functions, small signal output does not require secondary PT conversion, and can be directly connected to secondary equipment through A/D conversion, which meets the needs of the development of "digital, intelligent and networked" substation integrated automation system.

Main features of integrated zero-sequence and phase-sequence electronic voltage sensor:
1. Direct output of small voltage signals, which simplifies the system structure and reduces the source of errors;
2. It does not contain iron core (or contains light load small iron core), will not be saturated, has a wide frequency response range, large measurement range, and good linearity. It can make the protection device operate reliably under the system failure state;
3. Over-current and ferromagnetic resonance will not occur during the secondary short circuit of the voltage output terminal, which eliminates the hidden trouble of major faults in the operation of the power system and guarantees the safety of personnel and equipment;
4. Multiple functions, small size, light weight, low energy consumption, reducing ferromagnetic pollution;
5. According to user needs, it can directly output zero-sequence voltage or phase-sequence voltage, and synthesize zero-sequence voltage through the control device.













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