ALSTOM N70032702L UNITROL1000 AVR Main Control CPU Module
- Product Code: N70032702L
- Availability: In Stock
ALSTOM N70032702L
Manufacturer: ALSTOM France
Part No: N70032702L | Mark:H262-R-V1
Product Type: UNITROL1000 AVR Main Control CPU Module
Applicable Platform: ALSTOM Generator Excitation & Automatic Voltage Regulation System
1. Product Overview
N70032702L is core master controller card for ALSTOM UNITROL®1000 excitation AVR system, integrating MCU, analog signal conditioning, excitation regulation algorithm and onboard communication circuit. It executes closed-loop generator terminal voltage control, reactive power adjustment and unit grid-connected logic, widely installed in hydro/turbo generator excitation cabinet of thermal, hydropower and petrochemical power plants.
2. Core Technical Parameters
• Backplane Supply: DC24V, internal core working 12V/5A
• Analog Input: 3-phase PT voltage & CT current sampling channel
• Control Output: 0~10VDC analog regulation signal for power trigger unit
• Communication: RS485 + Ethernet, Modbus RTU / IEC60870-104
• Operating Temp: -20℃ ~ +60℃, natural air cooling design
• Galvanic Isolation: 2000V AC between field sampling and internal CPU bus
• Indicator LED: Power, Run, Fault, Communication status on front panel
3. Key Functional Features
• Full digital PID closed-loop AVR, rapid voltage dynamic stabilization during load fluctuation
• Overexcitation, underexcitation, overcurrent & loss-of-field protection logic embedded
• Self-diagnosis for sampling circuit, communication and internal hardware failure
• Conformal coated PCB against humidity, dust for power plant harsh environment
4. Application Fields
• Turbo-generator excitation cabinet of coal-fired & gas-fired power station
• Large hydropower unit main excitation AVR control rack
• Self-owned power plant generator set of petrochemical & metallurgy industry
ALSTOM © N70032702L UNITROL1000 AVR Main Control Module