5吨中频炼钢炉的变压器配置

　　中频炼钢炉与其他设备在配置变压器上是不同的，电能是中频炼钢炉的心脏，中频炼钢炉在冶炼过程中瞬间电流大、波动大要求变压器为专用变压器。
　　 选择低损耗的变压器，中频炼钢炉使用高负荷时间长，变压器自身的损耗直接影响了吨耗电量。
额定容量 t 5.0 液态钢/铁水
最大容量 t 5.5 液态钢/铁水
工作温度 ℃ 1600
最高工作温度 ℃ 1750
炉衬厚度 mm 150
感应圈内经φ mm 1410
感应圈高度 mm 1620
变压器容量 KVA 3150
变压器一次电压 KV 10
变压器二次电压 V 900 12脉波双输出
中频电源额定功率 KW 3000 12脉波双输入
额定输入电流 A 2280
直流电压 V 1200
直流电流 A 1500
变换效率 % 96
启动成功率 % 100
中频电源最高输出电压 V 1700
额定工作频率 Hz 350
电源变换效率 % 96
启动成功率 % 100
熔化率（升温到1600℃） T/h 4.96 熔化一炉所用时间与加料有关系
熔化电耗（升温到1600℃） KW.h/T 小于530
冷却水系统
冷却水循环流量 T/h 80
供水压力 Mpa 0.25-0.35
进水温度 ℃ 5-35
出水温度 ℃ <55

Transformer configuration of 5 ton intermediate frequency steelmaking furnace

　　Intermediate frequency steelmaking furnace is different from other equipment in the configuration of transformers. Electricity is the heart of the intermediate frequency steelmaking furnace. The instantaneous current and large fluctuations of the intermediate frequency steelmaking furnace during the smelting process require the transformer to be a special transformer.

　　 Choose low-loss transformers. The medium-frequency steelmaking furnace uses high load for a long time, and the transformer's own loss directly affects the power consumption per ton.

Rated capacity t 5.0 Liquid steel / molten iron

Maximum capacity t 5.5 liquid steel/hot metal

Working temperature ℃ 1600

Maximum working temperature ℃ 1750

Lining thickness mm 150

Induction coil inner diameter φ mm 1410

Induction coil height mm 1620

Transformer capacity KVA 3150

Transformer primary voltage KV 10

Transformer secondary voltage V 900 12-pulse dual output

Rated power of intermediate frequency power supply KW 3000 12-pulse dual input

Rated input current A 2280

DC voltage V 1200

DC current A 1500

Conversion efficiency% 96

Startup success rate% 100

The highest output voltage of the intermediate frequency power supply V 1700

Rated operating frequency Hz 350

Power conversion efficiency% 96

Startup success rate% 100

Melting rate (heating up to 1600℃) T/h 4.96 The time used to melt one furnace is related to the charging

Melting power consumption (heating to 1600℃) KW.h/T less than 530

Cooling water system

Cooling water circulation flow T/h 80

Water supply pressure Mpa 0.25-0.35

Inlet water temperature ℃ 5-35

Outlet water temperature ℃ <55

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