IS200JPDBG1A IS200JPDBG1A IS200JPDBG1A maintenance, which aggravates the requirements of the safety of the equipment operation. 7DCS input and plant power supply period Plant power control into DCS, because there is no independent of DCS hard hand operation, and according to the previous power plant construction experience, in the back power plant, DCS has not…
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IS200JPDAG1A IS200JPDAG1A IS200JPDAG1A HIACS7000 system produced by HITACHI. In the configuration of DCS, we configure the same hardware and software in the two units and realize the conversion of operation rights by switching switches. Signals from external devices are fed into two DCS systems through redundant configuration (analog) or extended conversion (switch). At the same…
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IS200JGPAG1A IS200JGPAG1A IS200JGPAG1A operator/switch and alarm window on the control panel are reduced as much as possible. The only backup monitoring equipment retained is: (1) All analog signals are displayed in DCS, and only a small amount of display instruments are kept on the disk. (2) Only keep a small number of important electrical switches…
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IS200ICBDH1ABB IS200ICBDH1ABB IS200ICBDH1ABB work. The data acquisition part is required to be integrated with thermal engineering. 4.2 Description of software Functions 4.2.1 DAS function of data acquisition system The data acquisition system (DAS) should continuously collect and process all important measuring point signals and equipment status signals related to the electrical system, so as to…
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IS200GDDDG1A IS200GDDDG1A IS200GDDDG1A scale for 2 units, electrical main wiring using generator – transformer group unit wiring, connected to 220kV / 500kV distribution system, The busbar for 6kV high voltage factory of main workshop adopts two working sections and special common sections. 4.1 Hardware Configuration Requirements According to the traditional functional division, electrical into DCS…
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IS200ERBPG1A IS200ERBPG1A IS200ERBPG1A switch the plant work load to start/standby switch; When the bus of the security section is confirmed to be out of voltage, the emergency standby diesel engine should be started to supply power to ensure the safety of the equipment. According to the above control level requirements, electrical monitoring into DCS technology…
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IS200EPSMG2A IS200EPSMG2A IS200EPSMG2A electric dust removal, are not included in the DCS system for the time being. DCS control level and technical requirements for electrical system The whole process of automatic program control can be realized from boiler ignition to generator grid-connected initial load. (Of course, a limited number of breakpoints can be set…
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IS200DTURH1A IS200DTURH1A IS200DTURH1A DCS monitoring. All the electrical systems in the main plant from the booster station (excluding the booster station) to the power plant side are included in the DCS monitoring. The main systems are summarized as follows: Generation group system (excluding the ventilation system of the transformer itself); Generator excitation system; High voltage…
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IS200DTTCH1A IS200DTTCH1A IS200DTTCH1A operation. When some systems or equipment are in normal operation, they are often operated once for several months or longer. (2) The electrical equipment protection automatic device requires high reliability and fast operation speed. The protection speed of the development group should be within 40ms. Automatic quasi-synchronous voltage mode, speed, voltage adjustment…
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IS200DTRTH1A IS200DTRTH1A IS200DTRTH1A 4917/5000 The thermal control of 300MW and above capacity units has been fully adopted DCS control system, gradually formed the data acquisition (DAS), analog control (MCS), sequential control (SCS), burner management (BMS) four systems. From the actual operation, DCS better realize its control function, and play the advantages of safety, economy, reliable…
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