Master Control Broad uses imported integrated circuit. Rectifier triggers do not need any adjustment, it has phase sequence to adaptive electric circuit with high reliability. Inverter adapts sweeping-frequency and zero pressure start-up, it has the function of heavy load starting. Frequency tracking circuit using the average sampling programs to improve anti-jamming capability of the inverter. Inverter circuit also added inverter angle regulating circuit, which can automatically adjust load impedance matching.
1-3, Protection and Control:
Master Control Broad internal function includes: Rectifier phase shifting trigger, Phase self-adaption, Inverter trigger, Reverse lead angle lock, Inverter repeat start, Over-current protection, Over-voltage projection, Open-phase protection, Hydraulic under-voltage protection, Control panel under-voltage protection,etc.
1-4, The Standard of Frequency Converter:
ZBK46001-87 Semiconductor Frequency Converter for Induction Heating JB/DQ6367-88 Semiconductor Frequency Converter for Intermediate Frequency Induction Heating, Product Quality Analysis and so on JB4086.85
Technical Condition of Electric Control Equipment for Intermediate Frequency Induction Heating JB/T4280-93 Intermediate Frequency Coreless Induction Furnace
1-5, Water Tank:
Frequency Converter and Capacitor all adopt open return system, it’s better for observation. Cabinet body with water pressure protection device.
1-6, External Power Cord:
External Frequency Power Cord enter from the top of Intermediate frequency power supply cabinet.
1-7, Power Regulating:
There is Power Regulating Knob on the panel of Intermediate Frequency Power Supply Cabinet, the output power of frequency converter is adjustable.
1-8, Main Circuit Connection:
Main circuits of the power supply cabinet are made by copper.
1-9, Color of Cabinet:
Computer spray gray. C. Cooling Water System(Equipped by user) 3-1, Technique Data: Cooling water inlet temperature: 5－35℃ Cooling water outlet temperature:≤55℃ Cooling water pressure:0.3—0.4Mpa Water supply: 0.02835P(P is rated power) (M³/h) Gradient of water return pipe:I－0.01 3-2, Quality Demand of Cooling Water: PH:7－8.5 Total hardness: ≤10 degree Available capacity of cooling water pond cannot less than 2~3 times of supplying water.
