Arc Suppression Coil

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Adopts dynamic compensation method, fundamentally solve the compensation system series resonance overvoltage and best compensation between conflicting issues. It is well known that the arc suppression coil without any benefits during normal operation of power grids, if then tune into a state of full compensation or close to full compensation, there will be a series resonance overvoltage by raising the neutral point voltage, power grid normal operation and all sorts of single-phase grounding fault may produce dangerous overvoltage. So when the normal operation of power grids, adjust the arc suppression coil makes the tracking grid of capacitive current change bad no, which is specified by the department of electric power "fixed arc suppression coil can't work in a state of full compensation or close to full compensation". Like domestic automatic compensation device are servo system, is in front of the grid has not yet occurred ground fault the arc suppression coil to adjust to a state of full compensation for ground fault occurs, it is to avoid excessive series resonance overvoltage and a damping on the arc suppression coil in series


 THXH series arc-suspension coil complet compensation installation can change inductive current compensation of the arc suspension coil by changing inductance L. Advantages: strong adaptability in electrical network, extremely short response time and automatic detection and identification of the running status of electrical network via computer-based controller. During normal operation of the electric network, it can real-time calculate the capacitive current of the power network to earth and the out-of-resonance of power compensation network. It can realize quick and rational compensation in case of single-phase earthing.

(1), using the technology of controllable silicon, the compensation current is 0 ~100% of rated current range of continuous stepless adjustment, realize large-scale precise compensation, but also to adapt to the different needs of the powerdistribution network in different development period.

(2), the use of short circuit impedance as the working resistance, the volt ampere characteristic in the range of 0 to 110%UN is maintained in excellent linearity,which can achieve precise compensation.

(3), the arc suppression coil with adjustable belongs to, do not need to be installed damping resistance, also won't appear a series resonant, it not only improves the reliability of the operation, but also simplifies the equipment.

(4) when a single-phase earth fault occurs in the arc suppression coil is the fastest 5ms output compensation current, thereby suppressing arc, prevent airionization caused by arc caused by phase to phase short circuit; at the same time, it can effectively eliminate the repeated single-phase grounding fault are separated by a short time.

(5), complete sets of equipment without transmission, a rotating mechanism, high reliability, low noise, simple operation and maintenance.




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Q:What is the transmission line, what is the power distribution equipment
Transmission lines generally refers to 110kV and above power lines.
Q:Rural high voltage transmission line equipment ownership
the transformer can be what, look at the role of electrical appliances can be
Q:What is the difference between power supply and distribution
The two is the integration of power generation and power supply.
Q:High and low voltage distribution equipment
Low voltage distribution equipment: low voltage distribution panel, switch cabinet, switch board, lighting box, power box and motor control center.
Q:DC transmission equipment
Power supply operation of power plant and substation in nowadays are used in DC power supply, it provides power for the control of the load and power load and DC emergency lighting load, is the foundation of modern electric power system control and protection
Q:Transmission and transformation equipment
Power transmission and transformation of the protection of the main transformer, relay protection devices, lightning arrester, etc..
Q:AC distribution equipment including distribution box
protection of the power supply system is between the power supply and the load are connected, disconnected, conversion
Q:Main equipment of high voltage direct current transmission
At present, most of the converter adopts thyristor thyristor rectifier, which is composed of three phase bridge rectifier.
Q:What are the distribution network equipment
suburbs, towns and rural areas, further allocation and supply industry, agriculture, commerce, industry and residents with special needs for electricity secto
Q:What are the general requirements for working on distribution equipment?
When the high voltage line is not cut off, the person in charge of the work shall explain to the whole staff that there is electricity on the line and strengthen the monitoring

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