Gang electric - 10 kv column type high voltage reactive powe

An overview of the
FZWB - 12/630-20 intelligent type of outdoor high voltage reactive power compensation device, suitable for ac frequency 50 to 60 hz, the highest working voltage 12 kv.In the power system, rated current 630 a for direct (or distance) cast, cut capacitor group.The device consists of a vacuum load switch and intelligent computer controller, far infrared and radio current sensor, can according to the demand of high voltage line reactive power and power factor size automatically cut the capacitor Banks and with multiple protection function fully meet the requirements of intelligent power system.

The working conditions
Low environmental requirements: + 75 ℃ and 40 ℃.
Low altitude: the installation location of height less than 2000 meters above sea level (plateau region shall specify when ordering.
Low wind speed: 35 meters/seconds or less.
Low installation site: no fire and explosion danger, chemical corrosion and strong vibration.
Low installation requirements: surface is not more than 15 with the inclination of the vertical plane.

Models and significance

The structure and working principle

Vacuum switch with high voltage and low voltage control circuit and main circuit layout structure, installed on the casing.Three vacuum arcing chamber of conductive rod through three insulator and plywood connection points for plywood and moving armature is fixed on the square shaft, the moving armature absorb and release by electromagnetic coil drive vacuum arcing indoor dynamic contact complete feed motion, because of the contact points and in vacuum, thus has the characteristics of long life, safe and reliable.Combined with solenoid coil and control circuit, remained close switch flexible transformation, switch completely controlled by the intelligent computer board as a whole.Current wireless transmitter and receiver for mechanical and electrical product body.

Switch the main technical parameters of wood

Switch control and protection functions
Low when the switch three-phase power supply, computer controller on line dynamic testing, calculation, switch to energy storage, delay 15 minutes into the normal work.
"Such as the line voltage more than the set value, there are lack of phase and low load, switch is not action.
The power factor of low line load is lower than the set value such as O 9 below.Switch input compensation capacitor Banks.
Low compensation capacitor Banks in operation, if the voltage exceeds the set value and power factor leading, switch to remove compensation capacitor Banks.
The automatic phase wiring regardless of phase sequence, sequence adjustment function.
Low to prevent switch repetitive movements, such as capacitor into COSm is below the set value, after exit after the voltage of capacitor set still more than setting the controller without memory function will not repeat.
Have set over current protection, can prevent damage of capacitor group over current and short circuit.
Low switch points in action after the indicator.All have extended time, according to the set value to perform an action Have a stronger anti-interference ability.
When line outage and open phase running, switch will automatically exit capacitor Banks.
Low controller has a switch, according to the action plan to save current voltage display and power for numerical, through the pressure value, time delay time setting normal display COSm values.
Low with manual function.Convenient for maintenance operations.
According to the site conditions, current transmitter using far infrared and radio.
Low level according to the actual circumstance of the user can use two more cutting function.
Handwritten device can be configured according to need, remote control.
When the device is also can be set according to the voltage for way.
Low after all control and protection setting are computer controller itself.

Installation and debugging and maintenance
Based on the principle of sodium on the flat, selecting the appropriate location (1).KV, E xi door installed in line terminal, comprehensive distribution circuit install upper load center).
In order to save power outage time, in the case of constant, can install compensation device first full set of equipment.
A, bracket with switch, insurance, the fall arrester cross arm, then install all equipment (the "should guarantee the safety of charged distance).
B, all hardware is fixed, no obvious shaking.
C, the earth wire should be installed, and guarantee the grounding resistance 1 00 or less.
D, packed all the connecting wires, clamp device.And ensure safe distance to the ground.
E, when installation, switches, capacitors shall not move through the casing, cable shall not be too loose or too tight, and fixed and reliable.
F, leaving only 1 0 kv lines offline (dropping insurance top).
After low power to safety measures.Ability to work.
A, phase current in the transmitter, look for sundry open core section.After cleaning with butter.Fixed in offline front.(call)
B, fixed before should be on the line end around the high voltage tape, moderate thickness, guarantee the launcher open core section no clearance.
C, fixed emitter four screws, iron core and face should be tight fit.
D, then the transmitter at each end with binding wire.Prevent affected by wind or activity, and beneath the transmitter antenna vertically.
E, and cancel the clip, then good referrals and falling insurance join.
F, when all the work is completed, check whether the connection is complete, can under the rod out of the workspace.
Low when the line for a few minutes after sending.One bar check whether the computer controller work normally (note that the body distance not less than 0. 7 m) and live part.
A, if the factory of the fixed value difference, and were at the scene to setting.(factory cos not less than 0.92, higher than 1 exit, over voltage 115 kv, 250 seconds delay.Over current 75 a
B, the position of the switch before running should be in points.When the electric transmission, such as qualified may switch automatically.Can share the test manually.
C, make a record all the parameters, and the switching frequency.
D, when all inspection is completed, the end of the work.
A, later there to check the running status for equipment, and make records, establish archives management.
B, when the equipment is abnormal, can be directly to inform the company service personnel to inspect in time, ensure the normal operation of the device.
C, the lightning arrester, capacitors automatic compensation device, etc Year do maintenance, if necessary, may request the company cooperate to work.
After opening fuse a d, maintenance, and several minutes of group compensation capacitor discharge and safety measures.