Product Specification

Product:General Electric DS200IQXDG1A GE DS200IQXDG1AAA Well-Known Brands In Stock Now

HARDWARE CONFIGURATION

The SPEEDTRONIC™ Mark V gas turbine control system is specifically designed for GE gas and steam turbines, and uses a considerable number of CMOS and VLSI chips selected to minimize power dissipation and maximize functionality. The new design dissipates less power than previous generations for equivalent panels. Ambient air at the panel inlet vents should be between 32 F and 72 F (0 C and 40 C) with a humidity between 5 and 95%, non-condensing. The standard panel is a NEMA 1A panel that is 90 inches high, 54 inches wide, 20 inches deep, and weighs approximately 1,200 pounds. Figure 11 shows the panel with doors closed.

For gas turbines, the standard panel runs on 125 volt DC unit battery power, with AC auxiliary input at 120 volt, 50/60 Hz, used for the ignition transformer and the processor. The typical standard panel will require 900 watts of DC and 300 watts of auxiliar y AC power. Alternatively, the auxiliary power can be 240 volt AC 50 Hz, or it can be supplied from an optional black start inverter from the battery.

The power distribution module conditions the power and distributes it to the individual power supplies for the redundant processors through replaceable fuses. Each control module supplies its own regulated DC busses via AC/DC converters. These can accept an extremely wide range of incoming DC, which makes the control tolerant of significant battery voltage dips, such as those caused by starting a diesel cranking motor. All power sources and regulated busses are monitored. Individual power supplies can be replaced while the turbine is running.

The Interface Data Processor, particularly a remote , can be powered by house power. This will normally be the case when the central control room has an Uninterruptible Power Supply (UPS) system. AC for the local processor will normally be supplied via a cable from the SPEEDTRONIC™ Mark V panel or alternatively from house power. The panel is constructed in a modular fashion and is quite standardized. A picture of the panel interior is shown in Figure 12, and the modules are identified by location in Figure 13. Each of these modules is also standardized, and a typical processor module is shown in Figure 14. They feature card racks that tilt out so cards can be individually accessed.

Cards are connected by front-mounted ribbon cables which can be easily disconnected for service purposes. Tilting the card rack back in place and closing the front cover locks the cards in place.

Considerable thought has been given to the routing of incoming wires to minimize noise and crosstalk. The wiring has been made more accessible for ease of installation. Each wire is easily identified and the resulting installation is neat.

Control
– Unit control
– Generator control (or load control)
– Alarm management
– Manual control (examples)
• Preselected load setpoint
• Inlet guide vane control
• Isochronous control
• Fuel stroke reference
• Auxiliary control
• Water wash
• Mechanical overspeed test
• Data (examples)
– Exhaust temperatures
– Lube oil temperatures
– Wheelspace temperatures
– Generator temperatures
– Vibration
– Timers and event counters
– Emission control data
– Logical status
• Contracts in
• Relay out
• Internal logic
– Demand display
• Periodic logging
• Administrative–
– Set time/date
– Select scale units
– Display identification numbers
– Change security code
• Maintenance/Diagnostics
– Control reference
– Configuration tools
– Tuning tools
• Constant change routines
– Actuator auto-calibrate
– Trip display
– Rung display
– Logic forcing
– Diagnostic alarms
– Diagnostic displays
• Off-line
• On-line
– System memory access

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