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Product category: ABB UNITROL Excitation Systems Series

Product status: New and Original

Tariff code: 85371091

Product description:

ABB HIEE320639R1 HI024049-313 LT 8978B V1 Pulse Amplifier Board

The ABB HIEE320639R1 HI024049-313 LT 8978B V1 is a 24VDC high-efficiency pulse amplifier board for UNITROL excitation systems. Processing 50Hz-200kHz gate signals with integrated EMI protection, this genuine HIEE320639R1 HI024049-313 LT 8978B V1 module ensures stable synchronous generator control.

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WhatsApp:+86 17359287459

Email:sales15@amikon.cn

Add:Siming district , Xiamen , Fujian,China

Product Introduction

The ABB HIEE320639R1 HI024049-313 LT 8978B V1 is a specialized, heavy-duty pulse amplifier and signal processing board engineered to regulate synchronized generator systems. Operating within the UNITROL control grid, the module acts as a high-speed intermediate driver that intercepts timing commands from the central processor. It accurately amplifies these electronic signals into high-energy pulses required to trigger heavy power semiconductor elements. Equipped with built-in electromagnetic interference filtering, the card ensures ultra-stable signal conditioning and microsecond-level response times while isolating sensitive backplane electronics from harsh field voltage spikes.

Ø Nominal Control Input Voltage: 24 VDC

Ø Regulated Output Voltage: 5 VDC

Ø Rated Channel Current: 2 A

Ø Total Power Consumption Profile: 15 W

Ø Signal Processing Frequency Range: 50 Hz to 200 kHz

Ø Ambient Operating Temperature: -20°C to +70°C (-4°F to +158°F) continuous cabinet environment rating

Applications by Industry

² Thyristor/IGBT Gate Firing Diagnostics: Directly receives low-voltage pulse commands from the system's Automatic Voltage Regulator (AVR) software, amplifying them to flawlessly drive the physical gates of large power-conversion thyristor rings without signal distortion.

² High-Value Power Generation Utilities: Installed inside standard hydroelectric power stations, nuclear generator bays, and utility steam/gas turbine units to optimize grid-code compliance and enforce grid voltage stability.

² Heavy Manufacturing Process Industries: Deployed in heavy-duty synchronous motor control systems for steel rolling mills, continuous pulp and paper machinery, and massive chemical blending plants to prevent unplanned operational outages.

² Critical Synchronous Condenser Arrays: Coordinates transient heavy-load power factor compensation and dynamic reactive power adjustments inside regional electrical substation grids.

Main Brands

We have large of inventory for our company's advantage products.

BENTLY EPRO ALL SERIES OF PRODUCTS SPAR PARTS PROBE Proximitor

PLC: AB, ABB, GE, Schneider

DCS: ABB, Siemens, MOORE, Foxboro, Westinghouse, YOKOGAWA

ESD: Triconex, HIMA, BENTLY, ICS

Excitation cards: ABB, GE Marke

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