ABB UNS0007A-P V1 HIEE305098R0001 Generator Excitation Trigger Circuit Board Power Plant Spare Parts

April 24, 2026

ABB UNS0007A-P V1 HIEE305098R0001 Generator Excitation Trigger Circuit Board Power Plant Spare Parts

Core Function It is the core firing signal board of ABB generator excitation system, outputs accurate thyristor trigger pulses, realizes closed-loop excitation current regulation, and integrates overvoltage, overcurrent, overheat fault self-diagnosis & protection. Compatibility Matched with ABB synchronous generator excitation cabinets, widely used in thermal power, hydropower and gas turbine power plants. Performance Features Industrial anti-interference PCB, wide operating temperature range (-20℃ ~ +70℃), pluggable structure for quick replacement, supports redundant excitation system configuration. Application Scenarios Large generator unit excitation control, stable voltage regulation, fault alarm and trip protection for power station primary equipment.

Description

ABB UNS0007A‑P V1 (HIEE305098R0001 / HIEE410730P201)

Model: UNS0007A‑P V1 (Full Order Number: HIEE305098R0001; Part Number: HIEE410730P201)

Brand: ABB

Series: UNITROL 5000 Excitation System / DCS Firing Board

Positioning: Dual-function board integrating generator excitation control and boiler ignition drive, core spare parts for power and steel mill industries, made in Switzerland.

# 1. Model Definition (Relationship Between Three Codes)

UNS0007A‑P V1: Product Model (UNITROL 5000 AVR Unit)

HIEE305098R0001: Complete Order Number / Material Number

HIEE410730P201: Circuit Board Part Number (for maintenance and replacement)

# 2. Core Functions

Generator Excitation Control (AVR): Core board of UNITROL 5000 excitation system, featuring automatic voltage regulation, over-excitation/under-excitation protection and reactive power control.

Boiler Ignition Drive (Firing Board): Outputs 1400V high-voltage pulses to drive ignition of gas/oil burners; integrated with flame monitoring, flameout protection and automatic re-ignition functions.

System Interface: Connectable to DCS/PLC, supporting Profibus‑DP and Modbus RTU/TCP protocols; adopts dual redundant design with SIL 3 safety integrity level.

# 3. Technical Parameters

Power Supply: 24V DC ±10%, Power Consumption: 2W

Ignition Output: 1400V high-voltage pulse, compatible with 220V AC 50/60Hz

I/O Points: 16DI/16DO (24V DC), 8 analog channels (24-bit)

Operating Temperature: -40℃ ~ +70℃ (industrial wide temperature range)

Dimensions / Weight: Standard 19-inch card cage, 1kg

Certifications: IEC 61508 SIL 3, CE, UL

# 4. Typical Applications

Power Industry: Generator excitation and boiler ignition systems for thermal power/hydropower plants (matched with UNITROL 5000)

Metallurgy Industry: Ignition control for heating furnaces and heat treatment furnaces in steel mills

Oil & Gas / Chemical Industry: Ignition and safety interlock of industrial burners and flares

# 5. Replacement and Compatibility

Direct Replacement: UNS0007A‑P V1 can fully replace the old version UNS0007A‑P (non-V1 model) with complete hardware and software compatibility.

Matching Base: Requires ABB standard card cage (e.g., TU810 series).

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