Product Details
Product Description
Product Description
Brand:ABB
Type:DSSR122 4899001-NK
Origin: the Swiss
Warranty: 365 days
Colour: new/used
Shipping method: Courier delivery
Module of PLC, DCS, ESD system card, the card is a vibration monitoring system, steam turbine control system module, the advantages of the gas generator spare parts brand: Allen Bradley, BentlyNevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, FOXBORO, Schneider PLC, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft etc. Various kinds of imported industrial parts
Our main products are widely used in metallurgy, petroleum, glass, aluminum manufacturing, petrochemical industry, coal mine, papermaking, printing, textile printing and dyeing, mechanical, electronic manufacturing, automobile manufacturing, plastic machinery, electric power, water conservancy, water treatment/environmental protection, boiler heating, energy, power transmission and distribution and so on.
The Utility Tie breaker contact input is used to enable and disable Load Sharing when the generator breaker is closed. If the Utility Tie contact is open, loadsharing is enabled, and the 505E’s internal Speed PID droop, Cascade, and Auxiliary modes are disabled (as defaulted in Service mode). If the Utility Tie contact is closed loadsharing is disabled and the 505E’s Speed PID droop, Cascade, and Auxiliary modes are enabled, if used. The Generator Breaker contact input is used in conjunction with the utility tie contact to activate loadsharing. When using the ‘Sync/Ld Share Enable’ contact input, it only enables or disables the 505E’s synchronizing mode (analog input) before the generator breaker is closed. After the generator breaker is closed, this contact is ignored until the generator breaker is again open and the contact has been toggled open and closed again. Typically a double-pole- single-throw (DPST) switch is used in conjunction with this input to enable the 505E synchronizing mode and the DSLC’s synchronizing mode at the same time (while providing device isolation). Refer to Volume 2, Figure 1-5 of this manual. Optionally a Function Key can be programmed to enable the 505E’s synchronizing mode.
When the 505E is programmed to use the DSLC for Synchronization and Load Sharing, the RMT key can be used to access and enable the Sync/Load Share function and monitor all function mode messages. See Chapter 5 for information on how to enable this function through the RMT key. By pressing the RMT key and scrolling up or down through the RMT screens, the following Sync/Load Share mode messages can be viewed: Sync/Load Share Status Messages • Disabled—The Sync/Load Share Input is disabled and will have no effect on the Speed setpoint. • Enabled—The Sync/Load Share Input has been enabled. • In Control—The Sync/Load Share Input is biasing the Speed setpoint. • Inhibited—The Sync/Load Share Input cannot be enabled; the input signal is failed, the turbine is shut down, a controlled shutdown is being performed, or the sync/load share feature is not programmed. All pertinent synchronizing and loadsharing parameters are available through the Modbus links. See Chapter 6 for a complete listing of Modbus parameters.
Extraction and/or Admission Turbine Control The Extr/Adm PID accepts a 4 to 20 mA current signal from terminals 55, 56, and 57 (Analog Input #1) as its controlling parameter. The PID control amplifier compares this input signal to a setpoint to produce an output signal to the control’s Ratio/Limiter. The Ratio/Limiter receives input signals from the Speed LSS and Extr/Adm control PIDs. The ratio logic ratios these signals, based on the turbine performance parameters, to produce two output signals, one to control the HP valve and one to control the LP valve. The limiter logic keeps the outputs to the valves within the boundaries of the turbine steam map.
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