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Discussion on emergency treatment of transformer accident

2022-02-18 11:32:27

In case of transformer accident, the operator on duty shall pay close attention to the instructions of the meter and signal. Among the operators on duty in the main control room, someone must record the execution time (especially the sequence) of various operations and the phenomena related to the accident, and judge the overall situation of the accident according to the instructions of the meter and the external signs of the action of the automatic device for equipment protection.

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Harm and elimination of ferromagnetic resonance in 35kV small current grounding system

2022-02-18 11:31:24

In the power system, due to the complexity of the system architecture and the flexibility of the operation mode, it is easy to cause the randomness of the operation parameters and promote the change of the system parameters, resulting in the power grid with inductive and capacitive elements, the oscillation transformation or transmission of electromagnetic energy and the overvoltage of the power grid.

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Factor analysis of frequent faults in 10kV integrated automation system of Substation

2022-02-18 11:30:16

With the development of national economy and the continuous improvement of people's living standards, residents' dependence and demand for electricity are also increasing, which provides a lot of space for the development of power grid. In particular, the 10kV distribution network is developing rapidly, which is responsible for the normal power consumption of all walks of life and is closely related to people's daily life. At present, the integrated automation system is widely used in substations, which realizes the unattended operation of substations.

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Discussion on short circuit fault of power transformer

2022-02-18 11:29:21

Short circuit fault of power transformer mainly refers to the fault caused by short circuit at the outlet of transformer, short circuit to ground between leads or windings in transformer, and short circuit between phases of transformer. According to statistics, the impact of export short-circuit fault on the normal operation of power transformer is frequent and serious.

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In the second half of the year, the growth rate of power consumption in the whole society may reach 6.5%

2022-02-18 11:28:28

On the 31st, China Electricity Council (hereinafter referred to as "China Electricity Council") released the analysis and prediction report on the national power supply and demand situation in the first half of the year. The analysis shows that the growth rate of power demand in the whole society has increased steadily in the second half of the year, and the growth rate will be about 6.5%.

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The informatization of China's power industry directly transforms the power grid into intelligence and it

2022-02-18 11:27:46

At present, energy, electric power and other public utilities are in a historic transition period. The power industry has stepped into the stage of informatization and deepening reform. At present, power grid financing faces multiple challenges, such as unified standards, regulatory environment and environmental sustainability. After solving the disputes over the route, technology platform and project of industry informatization construction, we actively and quickly cut into the construction of informatization driven business model.

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Precautions for safe operation of microcomputer relay protection tester

2022-02-18 11:26:55

As an important national energy industry, China's power industry has always been in a priority position for development. The development of power enterprises is also remarkable, and the development of related power products has always attracted much attention. Now the new generation of microcomputer relay protection tester is widely used in many fields, such as line protection, main transformer differential protection, excitation control and so on.

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Various methods of troubleshooting power equipment

2022-02-18 11:26:11

In daily use, power equipment is sometimes prone to failure, so analyzing the phenomenon and finding the cause of the failure in time is the key to find out the power failure. The basic theory of electrician is the basis of analysis, which combines the full understanding of the structure, principle and performance of power device with the practice of fault. Troubleshooting is an important work of maintenance personnel.

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How to select appropriate vacuum circuit breaker

2022-02-18 11:25:32

Air switch is also called vacuum circuit breaker. There are many kinds of circuit breakers, which can be divided according to the number of poles, protection form, full section time and structural type. Circuit breaker is a very important electrical appliance in low-voltage distribution network and electric drive system. It integrates control and multiple protection functions.

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Troubleshooting of series resonant transformer

2022-02-18 11:24:55

Series resonance equipment plays a vital role in the power system, which is related to the safety of the whole power system. However, sometimes there are some small faults in the series resonance transformer due to operation faults or other problems. Today, Xiaobian may will teach you how to deal with these unnecessary faults.

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Phone：0086-15231260588
Tel：0086-312-3172660 / 3188565
E-mail：bdweisheng@126.com

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