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2026-3-23How to Avoid Frequent Damage and Replacement of Capacitors
I. Reasonable Selection of Capacitor Specifications and Models To avoid frequent capacitor damage, the first step is to select the correct type. If the capacitor's capacity, voltage level, or quality -
2026-3-21Why is thermal stability testing is must for low-voltage shunt metallized fil...
The purpose of capacitor thermal stability testing is to prevent internal thermal equilibrium failure caused by harmonics or unbalanced parallel currents, thereby avoiding bulging, fire, or premature -
2026-3-19Selection and Setting Points of Circuit Breakers
The selection of circuit breakers shall be based on actual operating conditions, including utilization category, rated operational voltage, rated current, rated setting current of the release, and oth -
2026-3-19How to Select a Reactor
Reactor is a very important electrical device, widely used in reactive power compensation, harmonic control, and current limiting applications. It plays an irreplaceable role in industrial power distr -
2026-3-17Summary of Calculation Formulas for Heating of Electrical Equipment
I. Heating Capacity of High and Low Voltage Switchgear / Panels The heat dissipation of high-voltage switchgear panels can be calculated using the following formula: I g : Operating current of the hi -
2026-3-16Detailed Explanation of Electric Heating Capacitors for Induction Furnace Com...
In the metallurgy, foundry, and metalworking industries, the induction furnace is a common and highly efficient heating equipment. However, induction furnaces often generate a large amount of reactive -
2026-3-13Fault Analysis and Countermeasures of Switchgear
What is Switchgear? Switchgear is an assembly composed of one or more low-voltage switching devices and associated control, measurement, signaling, protection, regulation and other equipment.All inter -
2026-3-11The Impact of Metallized Film Quality on the Quality of Low-Voltage Parallel ...
Metallized film is the core material of low-voltage parallel cylindrical capacitors, and its quality directly determines the capacitor's lifespan, safety, and electrical performance. It can be sai -
2026-3-11Why Capacitors Must Be Selected According to Reactor Parameters
In reactive power compensation and harmonic control systems, capacitors and reactors are key devices used in combination. Many people find a common principle when designing compensation devices or sel -
2026-3-10kVA ≠ kW: A Power Concept Misunderstood by 90% of People
There is an 1000 kVA transformer with an existing load of approximately 200 kW. If we want to add about 600 kW of new load, can this transformer withstand it? This question involves two units: kVA and -
2026-3-09How to Deal with Harmonic Amplification After the Commissioning of Solar Powe...
1. Main Causes of Harmonic Amplification in Solar Power Generation Systems 1) Non-linear output of inverters Solar power generation systems rely on inverters to convert DC power into AC power. During -
2026-3-07Jinneng indoor dry type power factor correction capacitor pass 6kV terminal t...
According to the IEC60831-1 standard, the terminal to case withstand voltage test voltage for indoor power factor correction capacitors is 3kV. Jinneng Electric Company conducted random tests on 10 mo