In the power system, high-voltage wireless phase detectors are widely used as a key detection tool for phase verification and phase sequence verification in power lines and substations. It not only ensures the safe operation of the power grid, but also greatly improves the efficiency and safety of power operations. This article will delve into the working principle and significant features of high-voltage wireless phase shifters.

1、 Working principle

The high-voltage wireless phase detector is based on advanced wireless transmission technology and achieves non-contact phase detection. Its working principle can be summarized as the following core steps:

signal acquisitionThe nuclear reactor consists of two main parts——Transmitter and receiver. As a voltage detector, the transmitter first contacts the measured high-voltage line through a hook shaped electrode to collect the voltage phase signal of the line. At the same time, the built-in power verification function of the transmitter can determine whether the circuit is live, ensuring safe operation.

Signal processing and transmission: The collected voltage signal is processed by the internal circuit of the transmitter and modulated into a radio signal. These signals are transmitted through the built-in antenna of the transmitter at a specific frequency (such as50Hz）Launch to achieve long-distance wireless transmission.

Signal reception and comparison: The receiver, as a display part, receives radio signals emitted by the transmitter through a built-in antenna. The internal circuit of the receiver demodulates the received signal to recover the original voltage phase information. Subsequently, the receiver compares the phase of the two voltage signals (collected from two transmitters or the same transmitter at different time points) and calculates the phase difference.

Result display and voice broadcast: The receiver displays key data such as phase difference, frequency, and waveform in real time through the LCD screen. At the same time, the built-in voice broadcast system will provide clear voice prompts to the operator based on the phase comparison results“Same phase”or“Note that the phases are different”This greatly improves the convenience and safety of operation.

2、 Significant features

Compared with traditional wired phase detectors, high-voltage wireless phase detectors have many significant advantages, mainly reflected in the following aspects:

Non contact measurement enhances safety: Through wireless transmission technology, the nuclear phase detector realizes non-contact measurement of high-voltage lines, and operators do not need to directly contact live parts, greatly reducing the risk of electric shock and improving operational safety.

Wireless transmission, breaking through terrain limitations: The wireless transmission method allows the phase detector to be flexibly deployed in complex environments without being limited by cable length and terrain conditions, improving the flexibility and efficiency of operations.

Intelligent display and voice broadcast: The LCD screen displays real-time data such as phase and waveform, combined with the function of live voice broadcast, allowing operators to intuitively and accurately obtain detection results, improving the convenience and accuracy of operation.

Wall penetration testing, suitable for complex working conditions: Some models of nuclear phase detectors have wall penetration testing capabilities, strong signal penetration, and can complete nuclear phase tasks in non line of sight scenarios, further expanding their application range.

Powered by large capacity lithium batteries, with long-lasting endurance: using large capacity maintenance free lithium batteries for power supply, supporting long-term continuous operation, suitable for use in outdoor environments without power supply. At the same time, there will be a clear prompt when the battery level is low to ensure the continuity of the detection work.

High precision and strong anti-interference ability: The nuclear phase detector has high-precision phase detection capability and small phase difference error. At the same time, it has strong anti-interference ability against corona discharge, adjacent line interference, etc., ensuring the accuracy of the detection results.

Portable structure and waterproof and dustproof design: The receiver adopts anti slip technology design, and the insulating rod can be extended and retracted for easy carrying and operation. The whole machine has waterproof and dustproof characteristics, and can adapt to various harsh working environments.

Compliant with national standards and reliable quality: The design and production of the nuclear phase generator strictly follow the relevant standards for quality supervision, inspection, and testing of national power safety tools, ensuring reliable quality and reliable use.