xdp - 400 # 5 units in mawan power plant distributed control system of the MCS system application experience

Abstract: the XDPS - 400 # 5 units in mawan power plant distributed control system of the MCS system application experience of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Shenzhen mawan power plant planned installed capacity of 4 units of 300 mw coal-fired units, for the extension project of shenzhen mawan power plant. Phase two of the four units, unit Numbers continue in mawan power plant unit # 1, # 2, the first phase of construction of the # 3 and # 4 unit has been in 1996 and 199 respectively. More flow meter manufacturers choose model price quote you are welcome to inquire, here is XDPS - 400 # 5 units in mawan power plant distributed control system of the MCS system application experience the article details. Shenzhen mawan power plant planned installed capacity of 4 units of 300 mw coal-fired units, for the extension project of shenzhen mawan power plant. Phase two of the four units, unit Numbers continue in mawan power plant unit # 1, # 2, the first phase of construction of the # 3 and # 4 unit has been operating in 1996 and 1997, respectively. The second phase construction of # 5 unit has been operating in November 2002, # 6 unit plans to begin production in 2003. In mawan power plant # 5, # 6 units for domestic imported 300 mw coal-fired unit, host to Harbin power plant of the three major products, boiler for forced circulation drum boiler, equipped with six sets of medium speed coal mill pulverizing system, direct blowing pulverizing system. Unit equipped with two sets of each capacity of 50% of the steam feed water pump and a 50% capacity electric feed water pump. The second phase of the DCS system XDPS - was produced by Shanghai xinhua control engineering Type 400 distributed control system, the function cover DAS system ( Data acquisition system) , the MCS system ( Analog control system) , FSSS system (whether Burner management system) , SCS system ( Sequence control system) , DEH system ( Steam turbine digital electrohydraulic governing system) , MEH system ( Small turbine control system) And the ECS ( Electrical control system) 。 MCS software of the system configuration and commissioning of commissioning shall be borne by the guodian thermal institute, including the simple configuration of electric bypass control system. # 5, # 6 units in the control range of the MCS system software and hardware configurations are exactly the same, and the following narrative at only # 5 unit has been put into production. MCS system takes up the DCS system of 16, 17, 18, three DPU ( Decentralized processing unit) DPU, 16th main unit system, fuel system, primary air system and automatic regulation of the coal pulverizing system, 17 DPU main air supply system, wind system, auxiliary air and fuel, fuel risk control system of automatic adjustment, 18 DPU mainly complete the main steam temperature and reheat steam temperature, boiler main feed water control, deaerator water level and pressure control, condenser water level control, # 1 - # 3 and # 5 - of high pressure heater # 8 low pressure heater water level control system and automatic adjustment of high and low pressure bypass. Other simple single loop control system of dispersed in DPU number 16 and 17, the whole sets of 6 sets of JiDeShi regulating system. # 5) in mawan power plant unit was on November 1, 2002 through 168 hours of full load test run at a time. In units at the beginning of the 168 hours trial shipment, including the representative high zui automation operation level of engine and boiler coordinated control system has delivered operators run normally, automatic regulation system TouRuLv reached 100%, the regulating quality reached the thermal power plant capital construction project start and completion inspection and acceptance procedure 'requirements. Unit in the start-up process, not an unplanned outage boiler stop accident, reliable input as early as possible to the MCS system played an important role in the safe and stable operation of the unit. The following several authors in charge of the # 5 unit on the MCS in the process of the system software configuration and commissioning of XDPS - Some experiences of type 400 distributed control system. 1. Hardware reliability cabinet by electricity from the scene of the DCS system, the DPU and I/O module has been on a working state, until the unit start-up ended over 168 hours production, MCS system used by the hardware, only if the # 2 and # 3 high high and thin gate control circuit by using the output of the module, the first damage a 3 analog output channel ( Doubt caused by in situ junction box into the high voltage) And all the other hardware are working properly. In spot checking the precision of the part of the I/O module, all conform to the stipulations of the xinhua company factory and has signed a contract with the owner requirements. Generally speaking, during the capital construction due to multiple deadlines and crossover operations, hardware of DCS system security threat is much larger than when normal production, XDPS - Type 400 distributed control system can achieve prove the reliability of the system hardware is reliable.

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