Wuhan UHV Power Technology Co.,Ltd. company News and Trends items

Have you also encountered situations where you use a circuit resistance measuring instrument that claims to be accurate, but the measurement results are always a bit "unpredictable"? Don't rush to doubt the instrument itself, sometimes the root of the problem may lie in these small details you overlook. Today, let's talk about how to make your circuit resistance measurin...

Underground cables, as the "neural network" for urban power supply, once a fault occurs, it may affect the power supply of local areas, and in severe cases, it may lead to large-scale power outages, affecting production and daily life. Therefore, how to quickly and accurately locate underground cable faults has become a key task in power maintenance. Today, let's talk ab...

In the field of power equipment maintenance, transformer DC resistance meters play a crucial role. It is not only a measuring tool, but also a "guardian" to ensure the safe and reliable operation of transformers. What is a DC resistance meter? Why is it so important? What is a transformer DC resistance meter? Simply put, a transformer DC resistance meter is a specialize...

Transformers play a crucial role in regulating voltage rise and fall, ensuring efficient and safe transmission of electricity to millions of households. Any precision equipment needs to undergo strict inspection before it can be put into use, and transformers are no exception. At this point, the 'Transformer Comprehensive Testing Platform' becomes particularly important....

In the field of power equipment testing, the variable frequency series resonant withstand voltage test device plays a crucial role. It is not only a "physical examination doctor" to ensure the safe operation of power equipment, but also a powerful assistant to improve the efficiency and accuracy of experiments. How should we choose a truly reliable device among numerous ...

In the field of power system maintenance and testing, a reliable testing device can greatly improve work efficiency and accuracy. Today, let's talk about the variable frequency series resonance test device. What is it and in what aspects can it play a key role? Variable frequency series resonance test device: more than just "resonance" Simply put, the variable frequency...

As the core equipment in power transmission and distribution networks, the stability of transformer operation directly affects the safety of the entire power grid. Inside transformers, partial discharge (PD) is an important factor leading to insulation aging. It is like a "time bomb" buried inside. Once it develops to a certain extent, it may cause insulation breakdown, ...

In the power system, relay protection devices are like invisible "safety guards" that constantly monitor the operation status of the power grid. Once abnormalities occur, they quickly respond, isolate faults, and ensure the safety and stability of the power grid. To verify whether these "security guards" are fulfilling their duties, it is essential to use a six phase rel...

In the field of power equipment testing, frequency conversion series resonance technology plays an increasingly important role. It is not only a key link in verifying the reliability of the power system, but also directly related to the operating life and safety of equipment. What exactly is going on with this technology? How can we better utilize it? What is variable f...

What is grounding resistance? Why is it so crucial? In the power system, the term 'grounding' is not unfamiliar to us. Simply put, grounding is the process of connecting the casing or non electrified metal parts of electrical equipment to the earth. And grounding resistance, as the name suggests, is the resistance encountered when current flows into the ground through a ...

In the stable operation of the power system, relay protection devices play a crucial role. They are like the "safety guards" of the power grid, able to quickly respond to faults, isolate them, and prevent accidents from escalating. To ensure that these "guards" are always in the best working condition, precise "physical examination" of relay protection verification devic...

In the field of power equipment manufacturing and maintenance, the "transformer test bench" is an indispensable link. It is like a "medical examination center" for transformers, ensuring that the equipment can work normally before leaving the factory or after being put into use, reducing safety hazards. But have you ever thought about what determines the reliability of a...

In the operation and maintenance of the power system, the quality of the grounding system directly affects the safe operation of equipment and personal safety. The grounding resistance tester, especially the portable grounding resistance tester, is a key tool for evaluating the reliability of the grounding system. It is like a "health check" for the grounding system, whi...

Among numerous moisture determination methods, Karl Fischer titration has won the favor of laboratories and industry for its high accuracy, high sensitivity, and wide applicability. The Karl Fischer titration instrument is the key tool for achieving this precise measurement. How does it actually work? What other factors can affect its performance? Today, let's talk about...

Ensuring the reliability of insulation performance is crucial in the operation and maintenance of power equipment. Series resonant voltage withstand device, as the name suggests, is a device that uses the principle of series resonance to perform voltage withstand testing on high-voltage electrical equipment. It adjusts the parameters of inductance and capacitance to make...

In the field of power equipment maintenance and testing, dielectric loss is a very important measurement indicator. It directly reflects the degree of deterioration of the insulation material, indicating potential safety hazards of the equipment. Traditional dielectric loss testing methods are often time-consuming and labor-intensive, and are susceptible to human factors...

In the operation and maintenance of power systems, we often hear the term 'dielectric loss testing'. What is a dielectric loss tester? What role does it play? Simply put, it is a precision instrument used to measure the dielectric loss (tan δ) of electrical insulation materials. Insulation materials are like the heart "protective film" of power equipment. Once they age o...

In the operation and maintenance process of power equipment, voltage withstand test is a key link to ensure the insulation performance of the equipment and prevent potential faults. And the series resonant withstand voltage equipment is the "weapon" for performing this important test. Simply put, it is a device that uses the principle of series resonance to generate high...

Are you still troubled by the occasional "little troubles" with low-voltage cables? A sudden malfunction not only affects normal power supply, but may also cause significant losses. But don't worry, today we will talk about low-voltage cable fault detection and see what good methods can help us quickly and accurately find the "root cause". What is low voltage cable faul...

In the power system, the insulation performance of equipment is directly related to the stable operation of the entire system. As an important insulation performance testing method for electrical equipment, series resonance withstand voltage test can effectively evaluate the reliability of equipment under high voltage environment. What is series resonance withstand volta...

In today's increasingly complex power system, ensuring the safe and stable operation of equipment is of paramount importance. Series resonant devices, as a core technology, play an indispensable role in it. But what exactly is a series resonant device? How can it help us achieve this goal? What is a series resonant device? Simply put, a series resonant device is a testi...

The stable operation of the power grid is the foundation for ensuring the normal progress of social production and life. Behind this, there is a group of silently dedicated 'guardians', who are various relay protection devices. In order to ensure that these "guardians" can fulfill their duties in a timely and accurate manner, three-phase relay protection testers are part...

Series resonance testing equipment plays a crucial role in the operation, maintenance, and factory inspection of high-voltage power equipment. What exactly is this seemingly 'high-end' device? How can it help us ensure the safety and reliability of the power system? Today, let's talk about this topic together. What is a series resonance test equipment? Simply put, serie...

Ensuring the safe and reliable operation of equipment is of utmost importance in the power system. Among them, series variable frequency resonance, as a special electromagnetic phenomenon, often occurs during the testing and operation of power equipment. Understanding it is crucial for ensuring the stability of the power system. Today, let's talk about this phenomenon th...

SF6 (sulfur hexafluoride) gas is widely used in high-voltage circuit breakers, transformers and other equipment in the power system due to its excellent insulation performance. SF6 gas is very sensitive to moisture, and even trace amounts of moisture can cause serious insulation breakdown accidents, resulting in equipment damage and even power grid paralysis. Therefore, ...

Are you curious about those seemingly mysterious' high-voltage DC generators'? What role do they play in the modern power industry? Today, we will embark on an in-depth exploration and unveil its veil for you. What is a high-voltage DC generator? Simply put, a high-voltage DC generator is a device capable of generating high-voltage direct current. Its core function is t...

Have you ever encountered the concept of series resonance while studying circuit knowledge? It may sound a bit technical, but understanding its principles can help us understand how important it is in practical engineering. Today we will talk about this topic, hoping to give you a clearer understanding of it. What is series resonance? Simply put, series resonance refer...

Relay protection devices play a crucial role in the safe operation of power systems. As a key tool for detecting and verifying the performance of these protective devices, the excellent performance of the three-phase relay protection tester directly affects the stability and reliability of the entire power grid. Why do we need to pay so much attention to its performance?...