DS3800NFCB1U - SCR Gate Drive Firing Board

SPECIFICATIONS:

Part No: DS3800NFCB1U
Manufacturer: General Electric
Series: Mark IV
Product Type: SCR Gate Drive Firing Board
Input Range: 0-10 V, 4-20 mA
Power Requirements: 24V DC,
Output Range: 0-10 V, 4-20 mA
Dimensions: 150 mm x 100 mm x 30 mm
Mounting: Standard mounting
Operating Temperature: -20°C to +70°C
Country of Origin: USA
Availability: In Stock

FUNCTIONAL DESCRIPTION:

DS3800NFCB1U is an SCR Gate Drive Firing Board manufactured and designed by General Electric and is part of the Mark IV Series used in GE Speedtronic gas turbine control systems. An SCR (Silicon Controlled Rectifier) Gate Drive Firing Board is a specialized electronic circuit designed to control the operation of SCRs, which are semiconductor devices used for regulating power flow in electrical circuits. This board generates precise gate pulses necessary to trigger SCRs into conduction, ensuring efficient power regulation. It often includes isolation components to protect the control circuitry from high voltages present in the SCR circuit and incorporates timing control features to manage the firing timing and duration of the SCRs. Additionally, it may have built-in protection mechanisms to guard against over-voltage, over-current, and other fault conditions. The board interfaces with control systems or microcontrollers, allowing for adjustments to the firing angle or pulse width to tailor performance for specific applications. Common uses of SCR Gate Drive Firing Boards include industrial motor control, power regulation in heating elements or lighting systems, and phase control for precise AC power management.

FUNCTIONS AND FEATURES:

• Gate Pulse Generation: The board produces accurate gate pulses to trigger SCRs into conduction, enabling precise control of electrical power flow.

• Isolation: It provides electrical isolation between the control circuitry and the high-voltage SCR circuit, protecting sensitive components from high voltage.

• Timing Control: It includes timing circuits to regulate when and how long the SCRs are triggered, ensuring proper power regulation and system performance.

• Protection: Built-in protection features safeguard the board and connected SCRs from over-voltage, over-current, and other potential fault conditions.

• Interface: The board connects to control systems or microcontrollers, allowing for remote control and adjustment of firing commands and timing.

• Adjustability: It often provides options to adjust firing angle or pulse width, allowing customization of performance based on specific application requirements.

WOC has the largest stock of OEM replacement parts for GE Speedtronic Control Systems. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on parts and repairs, kindly contact our team by phone or email.

FREQUENTLY ASKED QUESTIONS:

How does the SCR Gate Drive Firing Board work?

The board generates controlled gate pulses to trigger SCRs at the right time. It manages the timing and duration of these pulses, ensuring the SCRs operate correctly. The board also isolates the control circuitry from high voltage and includes protection mechanisms.

What are the main functions of the SCR Gate Drive Firing Board?

The main functions include generating gate pulses, providing electrical isolation, controlling timing, offering protection against faults, interfacing with control systems, and allowing adjustments to firing angle or pulse width.

Why is isolation important in an SCR Gate Drive Firing Board?

Isolation is crucial as it protects the low-voltage control circuitry from high voltages present in the SCR circuit. This prevents damage to sensitive components and enhances safety.