Product Description
The ABB UNITROL UN 0040B-P is a pulse comparison stage module. It is used in conjunction with other UNITROL modules to form a complete excitation system for synchronous generators. The UN 0040B-P compares the actual generator voltage to the desired voltage and generates a signal that is used to control the generator’s exciter.
Product Parameters
- Input voltage: 220 V AC or 380 V AC
- Output voltage: 0 to 10 V DC
- Input frequency: 45 to 65 Hz
- Output frequency: 45 to 65 Hz
- Operating temperature: -20 to +70 degrees Celsius
Usage Method
The ABB UNITROL UN 0040B-P is typically used in the following way:
- The input voltage is connected to the generator’s voltage terminals.
- The output voltage is connected to the generator’s exciter.
- The desired voltage is set using the potentiometer on the front of the module.
- The module is powered on and the generator is started.
The UN 0040B-P will then continuously compare the actual generator voltage to the desired voltage and generate a signal that is used to control the generator’s exciter. This helps to ensure that the generator voltage is maintained at the desired level.
Product Application
The ABB UNITROL UN 0040B-P is used in a variety of applications, including:
- Power generation
- Industrial automation
- Marine applications
- Oil and gas industry
Example Applications
- The UN 0040B-P is used in power plants to control the voltage of synchronous generators.
- The UN 0040B-P is used in industrial automation applications to control the speed of motors.
- The UN 0040B-P is used in marine applications to control the voltage of generators on ships.
- The UN 0040B-P is used in the oil and gas industry to control the voltage of generators on drilling rigs.
Safety Information
The ABB UNITROL UN 0040B-P is a high-voltage device. It is important to follow all safety precautions when working with this module. Always disconnect the power supply before working on the module.
UNITROL® Excitation Systems
Excitation systems are a key component in many power generating units used by plant owners and operators to achieve reliability of operations, stability and fast transient response of their assets, as per grid requirements.
UNITROL® 1000 Series
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Included in the package is CMT1000, the tool for focused and fast commissioning.
UNITROL® 1000 Flex Systems
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