Technical Document and Company News

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A comprehensive analysis of troubleshooting and treatment of power transformers

This article provides a comprehensive analysis and study of fault diagnosis and treatment of power transformers. Through a detailed discussion of fault types and causes, we identify major fault types such as overheating faults in conducting circuits, degradation of insulation levels, gas-producing faults, regulator switch faults, transformer winding deformation, transformer oil seepage defects, and capacitor bushing faults, and analyze their impact on the safe operation of the transformer

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10kV High Voltage Power Equipment Preventive Maintenance

High voltage switchgear, Current transformer and voltage transformer, circuit breakers, busbars, transformers, 10kV cables, switchgear, lightning arresters, grounding systems, relay protection devices, and 10kV high voltage busbar tests are all common components in power systems. Regular preventive testing is essential to ensure the safe operation of this equipment. Next, we will discuss the preventive power tests for these common components.

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Liniowe sieci energetyczne wysokiego napięcia
Technika

Jak sprawdzić odporność izolacji kabla?

Aby sprostać wymaganiom operacyjnym systemu energetycznego, należy przykładać priorytetową wagę do parametrów izolacji oraz przeprowadzać testy izolacji. Przed użyciem lub po zakończeniu opracowania projektu produktu należy stosować standardowe metody testowania, aby zapewnić zgodność właściwości izolacyjnych przewodów i kabli z wymaganiami projektowymi i użytkowymi.

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HV circuit breaker
Technika

How to test Hight Voltage Circuit Breaker ?

Through the acceptance test for electrical testing of High voltage circuit breaker, the performance indexes of the equipment can be comprehensively tested, potential defects and hidden dangers can be found in time to ensure that the equipment can work stably and reliably for a long time after it is put into operation.

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Technika

What Are the Best Voltage Withstand Test Methods for Power Cables?

This article mainly discusses the test methods of oil-impregnated paper-insulated cables, plastic-insulated cables and cross-linked polyethylene cables, and the common electrical tests include DC withstand voltage and leakage current tests, VLF withstand voltage tests, Power frequency AC resonance withstand voltage testing , partial discharge tests and so on.

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Transformatory wysokiego napięcia w stacji transformatorowej.
Technika

Co oznacza prąd nominalny jako prąd znamionowy?

Oznaczona przez producenta wartość wytrzymałości na napięcie częstotliwościowe jest maksymalnym napięciem, które urządzenie elektryczne lub jego system izolacji może bezpiecznie wytrzymać podczas normalnego użytkowania przy określonej częstotliwości (np. 50 Hz lub 60 Hz). W ramach tej wartości napięcia urządzenie może funkcjonować normalnie bez wystąpienia awarii izolacji lub innych usterek.

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Technika

What is the difference between transformer “Type testing”and “Factory acceptance testing”(FAT)?

we will analyze the differences between transformer type testing and transformer factory acceptance testing in terms of standard basis, test items, parameter requirements, and criteria for passing judgment. This analysis aims to provide valuable references and guidelines for the design, manufacture, acceptance, operation, and maintenance of transformers.

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Technika

What is battery charger discharger ?

A battery charger discharger is an advanced piece of equipment designed to perform two critical tasks: charging a battery to its full capacity and discharging it to measure performance, capacity, and other key parameters. These systems are commonly used for testing and maintaining batteries in various applications, ensuring their optimal operation and longevity.

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Technika

How Battery Test Equipment Supports the Power Systems

Battery test equipment is essential for maintaining the reliability and performance of batteries in backup power systems. These tools play a crucial role in ensuring that batteries function as expected during critical moments and remain in optimal condition throughout their lifecycle.

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Technika

BDV test of transformer oil

The dielectric strength test for transformer insulating oil is an electrical performance evaluation defined as the measurement of the maximum voltage that the oil can withstand between two electrodes under specified test conditions before electrical breakdown occurs

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