Product description:
ABB UNITROL UN 0074 a-P V .1 is a digital automatic voltage regulator (AVR) that controls the excitation system of synchronous generators. It is designed for use in a wide range of applications, including power plants, industrial facilities, and marine vessels.
Product parameters:
- Input voltage: 100 V – 400 V AC
- Output voltage: 0 V – 1000 V DC
- Output current: 0 A – 20 A
- Regulation accuracy: ±0.5%
- Response time: <10 ms
Usage method:
The ABB UNITROL UN 0074 a-P V .1 is connected to the synchronous generator and the excitation system. The AVR then monitors the generator voltage and adjusts the excitation current to maintain the desired voltage level.
The AVR can be configured using the CMT 1000 software. This software allows the user to set the AVR parameters, such as the regulation setpoint, the droop setting, and the response time.
Product application:
The ABB UNITROL UN 0074 a-P V .1 is used in a wide range of applications, including:
- Power plants
- Industrial facilities
- Marine vessels
- Oil and gas facilities
- Renewable energy systems
The AVR is designed to operate in a variety of environmental conditions, including high temperatures, high humidity, and vibration.
Example applications:
- To regulate the voltage of a synchronous generator in a power plant
- To control the excitation system of a generator in an industrial facility
- To maintain the voltage of a generator on a marine vessel
- To regulate the voltage of a generator in an oil and gas facility
- To control the excitation system of a generator in a renewable energy system, such as a solar or wind farm
Benefits:
- The ABB UNITROL UN 0074 a-P V .1 is a highly reliable and accurate AVR.
- It is easy to configure and use.
- It is suitable for a wide range of applications.
- It is designed to operate in a variety of environmental conditions.
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
The UNITROL® 1000 Series is ABB’s brushless excitation system for applications using synchronous machines ranging from 100kVA to 80MVA.
UNITROL® 1020
UNITROL 1020 is the voltage regulator intended for small and medium synchronous generators and industrial machines. It combines performance control and power circuits with a simple mechanical design provides high performance in a wide range of temperature and vibration conditions .
With built-in dual channel support, advanced load sharing between machines operating in parallel, rotating diode monitoring, automatic synchronizing and several integrated communication options, this automatic voltage regulator (AVR) is manufactured using the most advanced microprocessor technology and IGBT semiconductors allowing current output up to 20 ADC for continuous operation.
UNITROL® 1010
UNITROL® 1010 is the Indirect Excitation System for small and medium synchronous generators and industrial machines. Its advanced microprocessor technology and IGBT semiconductors allow for current output up to 10 ADC for continuous operation.
With built-in dual channel support, advanced load sharing between machines operating in parallel, rotating diode monitoring, automatic synchronizing and several integrated communication options, UNITROL 1010 provides high performance in a wide range of temperature and vibration conditions.
UNITROL® 1005
UNITROL 1005 is the smaller component of the family designed for low-end excitation application with maximum excitation current up to 5 ADC.
Like all UNITROL1000 products, UNITROL 1005 is based on the same target software source code and share the same simulation models that makes it very suitable for demanding grid code applications.
Included in the package is CMT1000, the tool for focused and fast commissioning.
UNITROL® 1000 Flex Systems
UNITROL® 1000 FLEX Systems are prepackaged solutions for applications requiring single or dual channel controllers. All systems are fitted with UNITROL® 1020 FULL as a standard device, leveraging the best solution for optimum price and flexible project adjustment constraints.
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