Resonance SCR Medium Frequency Power Supply

Features

Save energy

: depending on the characteristics of series inverter circuit, power consumption of every ton of steel can be controlled at the range of 530~600kWh/t.

Without harmonic pollution to power grid, coincide with GB/T 14549-93 National Standards of Power Quality Public Power Grid Harmonic. It does not need equip extra harmonic eliminator.

There is high power factor to power grid of the complete equipment without any power compensation device. The power factor keeps more than 0.97 automatically in the whole process of working.

Reliable operation and few faults.

Constant output power

: the system will keep full load power in the whole process of working, enhance working efficiency and melting rate.

Dual-track will be realized by series resonance circuit. The dual-track system of induction melting furnace is required by the automatic casting production line, in order to optimize process, improve the productivity and save energy. The power will be stepless distributed to two furnace bodies simultaneously at the range of 0~100% from one power supply cabinet. Such will be easy to realize and switch any one furnace body in melting and another in holding.

Specifications

No.	Items	1t-800-0.35-B	1.5t-1200-0.35-B	2t-1500-0.3-B	2.5t-2000-0.3-B	3t-2500-0.3-B	5t-3000-0.2-B	10t-6000-0.2-B
01	Rated capacity (t)	1	1.5	2	2.5	3	5	10
02	Max capacity (t)	1.1	1.6	2.2	2.8	3.2	5.5	11
03	Rated power (kW)	800	1200	1500	2000	2500	3000	6000
04	Max power of single furnace (kW)	600	1000	1200	1600	2000	2500	5500
05	Phase of input voltage (phase)	6	6	6	6	6	6	6
06	Rectification model (pulse)	12	12	12	12	12	12	12
07	Input voltage (V)	380	380	380	380	480	480	575
08	Input current (A)	480	920	1150	1520	1520	1810	3050
09	DC voltage (V)	1000	1000	1000	1000	1250	1250	1500
10	DC current (A)	600	1200	1500	2000	2400	2400	4000
11	MF frequency (Hz)	350	350	300	300	200	200	200
12	Inductor voltage (V)	2000	2200	2500	2500	2500	2500	3000
13	Working temperature (℃)	1600	1600	1600	1600	1600	1600	1600
14	Melting rate (t/h)	1	1.5	2	2.5	3	5	9
15	Power consumption (kWh/t)	550	550	550	550	550	550	550
16	Cooling water of power supply (m3/h)	15	25	35	50	60	80	160
17	Cooling water of furnace body (m3/h)	30	50	80	100	120	160	400
18	Power factor	≥0.95
19	Harmonic impact	Accord with power quality public power grid harmonic harmonic GB/T 14549-93 national standards
20	Transformer: rectify transformer for MF furnace specially	Zs-800-10/0.4	Zs-1200-10/0.4	Zs-1500-10/0.4	Zs-2000-10/0.4	Zs-2500-10/0.4	Zs-3150-10/0.4	Zs-6000-10/0.4
		Primary: 3 Phase/10kV, Secondary: 6 phase, D/d0,Y11 connection, Impedance 8%
		380V				480V		575V
21	The capacity of low voltage Switch cabinet: from transformer connect 3N/380V power supply to power supply LV switch control cabinet in 3 phase 4 lines(installed in MF power supply romm).	Motor of hydraulic station: 5kW, Power supply cool water tower: 10kW, Furnace body coll water tower: 10kW, Lighting:10kW, Total capacity: 35kW				Motor of hydraulic station: 5kW, Power supply coll water tower: 15kW Furnace body coll water tower: 20kW, Lighting: 10kW, Total capacity: 50kW

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