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The Eight Key Points of The Distribution Box

1.Use XL-21, XRM101 series distribution box are suitable for indoor three-phase five-wire low-voltage distribution system, rated voltage of AC 220/380V, rated current of 16A~630A and below, rated frequency of 50Hz, as the use of receiving and distributing electric energy.The product has anti-leak... Read More

Drop Type Fuse Installation

Drop out fuse is a branch line of 10 kV distribution lines and the distribution transformer is the most commonly used a short-circuit protection switch. It has economic, convenient operation, to adapt to the outdoor environment with the characteristics of strong, is widely used in 10kV distributi... Read More

The Operating Principles of Isolating Switches and Transformers and The Principles of Electrical Inspection and Grounding

First. The operating principle of isolating switch 1. It is forbidden to use an isolating switch to pull in load equipment or load lines. 2 . It is forbidden to open and close the no-load main transformer with an isolating switch. 3 . The following operations are allowed using the isolating switc... Read More

Several Classifications and Characteristics of Box Transformers

1. Classification of box-type transformers Box-type transformers are divided into European style and American style. The American style has a small volume (Volume0), lower load capacity, and low power supply reliability. The European style has a larger volume, and the load capacity and power sup... Read More

Why does the transformer core need to be grounded?

1.Why does the transformer core need to be grounded? When the transformer is in operation, the iron core, the fixed iron core, and the metal structure of the winding, parts, components, etc. are all in a strong electric field. Under the action of the electric field, they have a higher ground pote... Read More

Complete Knowledge of Transformer Main Protection and Backup Protection

Transformer is a continuous operation of static equipment, more reliable operation, less chance of failure.But because the vast majority of transformers are installed outdoors, and are affected by the operation of the load and the influence of the power system short circuit fault, in the process ... Read More

The world’s first UHV Multi-terminal Flexible DC Converter Station Has Been Built!

With the rapid development of new energy, China has become the largest country of hydropower, wind power, solar power generation, and renewable energy accounts for continuous increases. To make these volatility, intermittent clean electric energy, upgrade the power transmission technology is impe... Read More

Fuse Self-Recovery Function

When the overcurrent overheating failure is eliminated, the fuse element can be automatically restored to a low resistance state. This avoids maintenance changes and the opening and closing states of successive loops that can cause circuit damage. Due to its special manufacture, the reset fuse ha... Read More

Power Fuse

Power Fuse is a generally accepted means to protect power transformers in distribution substations. The main purpose of the Power fuse is to provide a permanent fault interruption. Fuse is an economical alternative to circuit switcher or circuit breaker protection. Fuse Fuse protection is usually... Read More

What Role Does The Fuse Play In The Circuit

A fuse is an insurance policy that burns wires to prevent too much electricity. In fact, the fuse is a kind of easy to burn fine alloy wire, it can only pass through the normal electric current, when the electrical flow exceeds a certain value, it will heat and fuse and cut off the power supply, ... Read More

Auto Fuse Link Selection

With regard to the product safety of the device and the life/reliability of the fuse, the right choice is important. Safety principles are considered only when properly selected and used in an agreed manner the determination function of the fuse chain can be used as a protective part. “Any ... Read More

What Are The Factors That Affect The Service Life Of The Fuse?

Fuse, installed in the circuit equipment, to ensure the safe operation of circuit components, the use of high resistivity, low melting point of silver copper alloy made, in the circuit work, the external working environment temperature, the internal pulse current and so on will affect the service... Read More
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