Hebei metallurgical industry SiJiaYing iron mine main shaft 630kw high voltage
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Address：No.18 Xuefu West Road，High-tech District，Yantai，Shandong，China
Tel: +86-535-6857870（Operation） +86-535-6857866（Office）
Fax: ytjinjian@126.com
1. Basic parameters of the hoist system
1.1Model of Main Engine: 2JK-3/20 Single rope winding hoist;
1.2Transmission Way: high voltage AC motor with reducer;
1.3Hoist Way: double skip hoist;
1.4Hoist Height: 248m;
1.5Hoist Speed: Vmax=5.7m/s;
1.6Acceleration or Deceleration: a1=a2=0.7 m/s2;
1.7Stop Point Number: one loading point, one unloading point.
2.Basic parameters of the hoist main motor
2.1Motor Model: YR500-8
2.2Rated Power: 630kW
2.3Rated Voltage: 6000V
2.4Rated Current: 3432A
2.5Rated Speed: 739r/min
3.Introduction to the Hoist Electric Control System
This hoist electrical control system uses S7-300 series of PLC as the control core. Master and monitor CPU are all 317-2DP. Loading station control system adopts the S7-300 series of PLC substation and the transmission system adopts Liaoning Rongxin high voltage four-quadrant Frequency Converter. The model is RHVC-A06/900-TF. The rated capacity is 900KVA. The allowable overload range of device is 1.5 times. The power factor is more than 0.95. The Frequency Converter and master CPU transmit the data through the Profibus-Dp, simplified the hardware circuit and improved the stability of the system. Underground loading signal system and master control PLC system using optical fiber for communication, improved the communication rate and anti-interference ability. Hoist electric control system realized the unattended full-automatic operation mode in the whole process of automatic loading of ore, running, acceleration, deceleration, stopping and unloading of ore. Date putted into operation of the project is September 2010.
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Address：No.18 Xuefu West Road，High-tech District，Yantai，Shandong，China
Tel：86-535-6857870（Operation） 86-535-6857866（Office）
Fax：86-535-6857877（Office）
Mailbox：ytjinjian@126.com
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