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Adress: Luoxin Industrial Park, Luoyang, Henan
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    Electric furnace technical information

    A, KGPS-250Kw/1000Hz thyristor intermediate frequency power supply:

    1. The intermediate frequency output rated power is 250Kw, the rated frequency is 1000Hz, the incoming line is the bottom incoming line mode, and the thyristor intermediate frequency device is equipped with an intermediate frequency power meter.

    2. The total capacity of the intermediate frequency capacitor cabinet is 5000Kvar, the rated voltage is 375V, the rated frequency is 1000Hz, the cabinet size, the output copper row size and the height are shown in the drawing CP.14.0022-02-00 provided by the purchaser.

    3, IF isolation transformer 1000KVA, secondary output voltage is 250V, 280V, 320V third gear, each gear should have output value mark, in order to reverse gear. There must be plenty of space around the IF isolation transformer for maintenance and maintenance.

    4, the intermediate frequency output power can be manually adjusted, set the temperature control interface, the temperature control signal is 4 ~ 20mA, in order to implement automatic control. During self-control, the startup bias current is established by itself, and the bias current is applied after startup. The control power can be uniformly adjusted from the lowest maintenance power (10% of full power) to full power.

    5. The water pressure protection device should be set in the thyristor intermediate frequency device. When the water pressure is low, the intermediate frequency power supply stops working, and the electric furnace fault protection device (normally closed contact) needs to be set. When various faults occur in the electric furnace, the intermediate frequency power supply should be immediately stop working.

    6. The thyristor intermediate frequency device is protected by over current, over voltage, under water pressure, etc., and automatically stops.

    7. The thyristor intermediate frequency device and the capacitor cabinet are integrated into an intermediate frequency power supply and a lower incoming line.

    8, the power supply comes with pure water internal circulation cooling system and air conditioning cooling system; power cabinet dust, waterproof, heat, fully consider the carbon dust isolation. With soft start, voltage limit and over voltage, over current, over temperature protection and other functions. It can realize automatic control and fault self-test. Continuous and stable production.

    9. The power input terminal is equipped with a power power transmission module, and the output signal is 4-20 mA.

    10. The power supply is equipped with a harmonic control system, through which the interference caused by the higher harmonics of the intermediate frequency power supply to the external power grid can be eliminated.

    11. All alarm signals provide an external output auxiliary contact for connection to the demand control system.

    B, the main technical parameters used by the acquirer:

    10, rated working temperature: 1200 C

    11, the average temperature zone size: Φ800 1200mm

    12. The induction coils are connected in parallel for each group of 5 turns. The size of the induction coil is Φ1110 (inside diameter) 1680 (height).

    13, graphite crucible size is Φ800 (inside diameter) 1500 (high), thickness 35

    14, the insulation material is carbon felt, the thickness is 80mm

    15. The diameter of the inner cylinder of the furnace shell: Φ2120

    C, other requirements:

    16. The color of the cabinet is beige, the dimensions and installation dimensions, the position of the upper water pipe and the return pipe are fed back to the demander 15 days after the contract takes effect, so that the demander can design the plane.

    17. The supplier provides the required technical information, such as the electrical schematic (edited and saved by AUTOCAD2012 ELECTRICAL), the bill of materials, the instruction manual, the fault repair diagnostic manual and all spare parts lists.

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    Tel:18037961302 Sales hot line ( 24 hours service): 18037961302
    Adress: Luoxin Industrial Park, Luoyang, Henan