Danh mục: Technique

What type of test is used in HV circuit breakers?

There are several types of test equipment that can be applied to high-voltage circuit breakers for maintenance, troubleshooting, and performance evaluation. Some commonly used test equipment for high-voltage circuit breakers include HV Circuit Breaker Analyzers,Primary Injection Test Sets,Relay Protection Test Sets, Insulation Resistance Testers,Contact Resistance Testers,Vacuum switch vacuum degree tester, Partial Discharge Testers.

What is the winding deformation of the transformer ?

Transformer winding deformation refers to the physical distortion or displacement of the transformer windings from their intended position or shape. It can occur due to various factors and may result in operational issues, reduced performance, and potential transformer failures,with outlet short-circuits being particularly hazardous to transformers.

What is transformer test bench ?

Transformer test bench can effectively detect and maintain your transformer. In this article, we will explore the significant role transformer test bench products play in diagnosing faults in transformers, enabling efficient troubleshooting and effective maintenance.

Why do we measure transformer winding resistance ?

Each transformer is included different accessories , such as iron core , windings , coil, insulation material , tap-changers etc. The transformer windings plays a importance role during the running .

This article will introduce the knowledge about the types , the significance of transformer winding and the transformer winding test

Cruise Batteries Maintenance

The marine battery is a crucial component of a ship’s power system and serves as a vital source of power. This artclie is to the knowladge about the cruise batteries maintenance .

How do you regenerate lead acid batteries?

Battery regeneration is a process of restoring or rejuvenating the performance and capacity of a rechargeable battery that has experienced degradation or reduced efficiency over time.

Common mistakes to avoid when conducting a battery discharge test

While conducting a battery discharge test may seem straightforward, there are common mistakes that can lead to inaccurate results and potential safety hazards. In this article, we will discuss some best practices for conducting a battery discharge test and common mistakes to avoid.

What electrical transformers tests to conduct before installation

What electrical transformers tests to conduct before installation ?

Transformer dielectric test
Transformer winding resistance test
Transformer turn ratio test
Transformer insulation resistance test

Transformer capacitance & tan delta test
Transformer load loss (short circuit )and impedence test

Transformer temperature rise test

The open circuit solution of substation battery backup power system and the prevention measures

This article analyzes the main causes of open circuits in substation batteries and proposes preventative measures, including methods for detecting and preventing battery open-circuit faults

What is battery load bank ?

Battery load bank is a device that is used to test the performance and capacity of batteries by subjecting them to a simulated load, which realize the constant discharge at the set value by regulating continuously the discharge current.