GE DS3800NPOC Field Excitation Snubber Board

GE DS3800NPOC Field Excitation Snubber Board

Part Number DS3800NPOC Manufacturer General Electric Country of Manufacture As Per GE Manufacturing Policy Series Mark VI/VIe Function Module Availability In StockDS3800NPOC is a Field Excitation Snubber Board manufactured and designed by General Electric as part of the Mark IV Series used in GE Speedtronic Gas Turbine Control Systems. A field excitation snubber board is an electronic circuit board used in power systems to protect field excitation systems from voltage transients and surges. 

It is primarily employed in synchronous generators or motors to control the excitation current, ensuring stable operation and preventing damage to the generator or motor. The main purpose of a field excitation snubber board is to provide a path for the dissipation of energy generated during transient events. Transients can occur due to switching operations, lightning strikes, or other disturbances in the power system. When a transient event happens, it can cause voltage spikes or surges that can potentially damage the generator's or motor's field excitation system. The snubber board typically consists of various components, including resistors, capacitors, and diodes. These components are strategically connected to form a snubber network that can absorb and dissipate the excess energy generated by transients. 

The board is usually installed near the generator or motor and connected to the field excitation system through appropriate wiring. During a transient event, the snubber board absorbs the excess energy and dissipates it through the resistors and capacitors. The diodes are used to control the direction of the energy flow, ensuring that the excess energy does not propagate back into the generator or motor. p>FEATURES: Snubber Components: Field excitation snubber boards typically include various components such as resistors, capacitors, and diodes. These components form the snubber network and help dissipate excess energy generated during transient events. Voltage Rating: The snubber board will have a specific voltage rating that determines its ability to withstand voltage transients and surges. 

The voltage rating should be suitable for the application and the voltage levels present in the system. Protection Status Indication: Some snubber boards may incorporate status indicators or monitoring features to provide visual or electrical indications of the board's protection status. This can help operators quickly identify any faults or failures in the snubber circuit. Customization Options: Depending on the specific requirements of the power system, field excitation snubber boards may offer customization options. This allows the board to be tailored to the unique characteristics of the generator or motor, including voltage levels, system size, and environmental conditions.

SPECIFICATIONS:

Part Number: DS3800NPOC
Manufacturer: General Electric
Series: Mark IV
Product Type: Field Excitation Snubber Board
Number of channels: 12
Operating temperature: -30 to 55 degrees Celsius
Size: 8.25 cm high x 4.18 cm
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States

Features 

▪ Contains 10 Mbytes of battery-backed user memory and 10 Mbytes of non-volatile flash user  memory. 

▪ Provides access to bulk memory via reference table %W. 

▪ Configurable data and program memory. 

▪ Programming in Ladder Diagram, C, Structured Text, and Function Block Diagram. 

▪ Supports auto-located Symbolic Variables that can use any amount of user memory. 

▪ Reference table sizes include 32Kbits for discrete %I and %Q and up to 32K words each for  analog %AI and %AQ. 

▪ Supports Series 90-70 discrete and analog I/O, communications, and other modules. For a  list of modules supported, refer to the PACSystems RX7i Installation Manual, GFK-2223. 

▪ Supports all VME modules supported by Series 90-70. 

▪ Supports RX7i data monitoring over the web. Allows a combined total of up to 16 web server  and FTP connections. 

▪ Supports up to 512 program blocks. Maximum size for a block is 128KB. 

▪ Test Edit mode allows you to easily test modifications to a running program. 

▪ Bit-in-word referencing. 

▪ Battery-backed calendar clock. 

▪ In-system upgradeable firmware. 

▪ Three isolated serial ports: an RS-485 serial port, an RS-232 serial port, and an RS-232  Ethernet station manager serial port.