ABB UNITROL UN 0503 a-P Var .1 (HEIR448075R0001) Single-phase voltage regulator-Saul Electric

Product description

The ABB UNITROL UN 0503 a-P Var .1 is a single-phase voltage regulator for small and medium synchronous generators and industrial machines. It combines performance control and power regulation in a single unit. The UNITROL UN 0503 a-P Var .1 is designed to maintain a constant output voltage, regardless of changes in the input voltage or load current. It also provides protection against overvoltage, undervoltage, and overcurrent conditions.

Product parameters

Input voltage: 190-260 VAC
Output voltage: 190-260 VAC
Output current: 5 A
Regulation accuracy: ±1%
Frequency range: 50-60 Hz
Operating temperature: -10 to +50 °C
Dimensions: 120 x 120 x 120 mm
Weight: 1.5 kg

Usage method

The ABB UNITROL UN 0503 a-P Var .1 is connected to the input voltage source and the load. The input and output terminals are clearly marked on the unit. The voltage regulator is also equipped with a number of LEDs that indicate the operating status of the unit.

Product application

The ABB UNITROL UN 0503 a-P Var .1 is used in a variety of applications, including:

Power generation: to maintain a constant output voltage from small and medium synchronous generators
Industrial machines: to regulate the power supply to industrial machines, such as motors, pumps, and compressors
Lighting: to maintain a constant voltage to lighting systems
UPS systems: to provide a stable power supply to critical loads

Examples of product usage

The ABB UNITROL UN 0503 a-P Var .1 could be used to regulate the power supply to a small generator that is used to power a remote village.
The ABB UNITROL UN 0503 a-P Var .1 could be used to protect an industrial motor from overvoltage and undervoltage conditions.
The ABB UNITROL UN 0503 a-P Var .1 could be used to maintain a constant voltage to a lighting system in a commercial building.
The ABB UNITROL UN 0503 a-P Var .1 could be used to provide a stable power supply to a server room in a data center.

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.