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Office telephone: 027-82818935

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Website: www.zecers.com

Company address: No.62 Guanggu Avenue, Donghu High-tech Development Zone, Wuhan City

19

2023

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06

Brief Analysis on the Development Status of Electric Power Testing Instrument Industry


【overview】The construction of smart grid has a significant impact on the development of the power testing instrumentation industry, and provides a broader development space for the power testing instrumentation industry (both opportunities and challenges). Equipment manufacturers should change the traditional way of thinking and the business model based on instrument production as soon as possible, give full play to the industry's advantages in information collection, and improve the system architecture and technological innovation capabilities, transform to a technology-led enterprise to strive for long-term benefits and rapid development in the construction of smart grids.

The construction of smart grid has a significant impact on the development of the power testing instrumentation industry, and provides a broader development space for the power testing instrumentation industry (both opportunities and challenges). Equipment manufacturers should change the traditional way of thinking and the business model based on instrument production as soon as possible, give full play to the industry's advantages in information collection, and improve the system architecture and technological innovation capabilities, transform to a technology-led enterprise to strive for long-term benefits and rapid development in the construction of smart grids. Electric power detection instrument has a unique strategic relationship, its own development is good or bad, the whole national economy has a very important role. In recent years, China's power measurement instrumentation industry has developed rapidly, and breakthroughs have been made in several major scientific and technological fields, and the reliability and stability of the instrument have been greatly improved. Especially in recent years, my country's local testing instruments have made great progress, and the gap with foreign advanced products is rapidly narrowing. The state and governments at all levels have paid more and more attention to the development of their industries, providing unprecedented power and power for the power measuring instrument industry. opportunity.

electric power detection instrument

1. Application field

The application of intelligent power detection instrument includes railway, municipal, power grid, rail transit, water, environmental protection, communication and other fields. In infrastructure, especially in the field of power grid, rail transit, communication and other power consumption, the safety and stability of equipment operation requirements are high, all kinds of power detection instruments, multi-function meters, harmonic meters, power quality analysis instruments application market is broad. Smart power test meters are also becoming a fundamental part of the smart grid and the Internet of Things, and will play an increasingly important role in the field of infrastructure.

2, market size immersion

According to reports issued by authoritative organizations, in the next ten years, my country's intelligent manufacturing equipment (including multi-purpose calorific value meters) industry should firmly seize the strategic opportunity period for development, and adhere to the principle of "innovation priority, key breakthroughs, technology integration, and consolidation. The principle of" foundation and multiple investment "integrates and integrates advanced manufacturing, information and intelligence technologies in the perception, analysis, decision-making, control and execution in the manufacturing process, realize the automation, intelligence, lean and green of the manufacturing industry. Focus on the development of high-precision, high-stability, intelligent pressure, flow, level, composition instruments and high-reliability actuators, smart grid advanced measuring instruments AMI, material analysis precision testing instruments and mechanical performance testing equipment, new non-destructive testing and environment, multi-purpose calorific value measuring instruments, safety testing instruments, national defense special testing instruments and other testing equipment.

3. Market characteristics

With the development and popularization of power testing instruments, energy management, Internet of things, smart grid and other applications relying on intelligent power testing instruments have become the focus of future development. According to the data, the main body of the intelligent power testing instrument market is composed of three echelons formed by foreign enterprises and domestic enterprises. The first echelon is mainly composed of well-known foreign power meter enterprises. By virtue of their brand influence, these enterprises occupy a certain share in the domestic intelligent power meter application field. The second echelon is composed of enterprises with high domestic reputation and large-scale production. These enterprises have good product quality, relatively perfect product channel construction, and occupy an absolute proportion in the field of domestic intelligent power meters. The third echelon is composed of domestic small and medium-sized enterprises, these enterprises are small in scale, the construction of sales channels is not perfect, and there is still a gap between product quality and the products of the first echelon enterprises, but the overall market of intelligent power testing instruments in China is still in a relatively scattered state. The third echelon has a large number of enterprises. With the implementation of the regulations on the implementation of the bidding law, the improvement of the self-regulation mechanism of the power testing instrument market and the law of market competition, and the survival of the fittest products, the intelligent power testing instrument industry will be transformed from disorderly competition to orderly competition, and will be more mature. In the future, the concentration of China's intelligent power testing instrument industry will still be further enhanced.


2023-12-29

Talk about the principle and function of variable frequency series resonant voltage withstand test equipment


Variable frequency series resonant withstand voltage test equipment is mainly used for AC withstand voltage test of cross-linked cable, hydraulic generator, main transformer, bus, GIS and so on. It is composed of variable frequency control power supply, excitation transformer, reactor, capacitor voltage divider and compensation capacitor. Because the voltage, waveform and frequency and the electric field state inside the insulation of the tested object are consistent with the actual operation, and the test voltage is higher than the actual operation voltage, therefore, the insulation strength is strict, direct and effective method.

2024-01-26

Overview of Operation Test of Electrical High Voltage Test Equipment


In addition to the long-term operation under rated voltage, the power generation, supply and consumption equipment in the power system must have the insulation strength under overvoltage. Overvoltage refers to the voltage rise that exceeds the normal operating voltage, which is the damage of electrical equipment or protective equipment. In all kinds of power system accidents, a large part is caused by the insulation damage of equipment caused by overvoltage. When the insulation is defective, if it is not found and eliminated in time, it will eventually lead to equipment damage and power failure.

2024-01-13

Characteristics of gas-filled test transformer


The inflatable test transformer is a brand-new test equipment, which adopts the characteristics of GIS combination cabinet, with small quality, light volume and beautiful appearance. Its technical indicators have reached the standard requirements, high insulation strength, compressive strength for the same pressure of nitrogen 2.5 times, 2.5 times the breakdown voltage of air. It is equal to the breakdown voltage of oil at 0.25MPa and twice the breakdown voltage of oil at 0.45MPa.