Specification

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What is TVR Thyristor High-voltage Automatic Voltage Regulator?

TVR Thyristor High voltage automatic voltage regulator is an advanced voltage control device that regulates the constant voltage in high voltage electric lines. Thyristor technology is used by the regulator to provide very fast and precise voltage regulation by controlling the phase angle in the AC power supply. Thyristor-based systems are distinct from traditional mechanical regulators having no moving parts and therefore provide faster response times and lower maintenance requirements. It is useful in particular for environments where voltage stability is especially important, i.e., for industrial facilities, power plants, and the networks of large power grids. It stops load changes from swaying equipment and infrastructure between high voltage and low voltage levels. It keeps your connected equipment in working order by keeping voltage levels at optimum levels. It also has high voltage safety features that can safely manage the spikes and surges produced by the equipment it’s protecting. Its compact, solid-state design provides simple integration that fits easily into existing electrical systems and can perform continuous, real-time voltage regulation, without human intervention, for stable power delivery.

Composition Structure

Key components of the high voltage voltage regulator work together to provide the exact voltage regulation. Its backbone is an intelligent controller that monitors voltage levels continually and adjusts in real time. A combined transformer, a series transformer, and a regulating transformer are also provided as part of the system. They help to stabilize voltage fluctuations throughout the grid. Athyristor-based contactless on-load tap changer is an integral part of the system where the voltage is regulated without any mechanical parts. Thyristors, thyristor trigger units, and thyristor protection units are part of the tap changer. The switching of voltage levels is controlled by thyristors, and trigger and protection units provide a safe and accurate operation.TVRs’ structure allows for these to quickly, and with minimal maintenance and very high operating efficiency, regulate voltage in an application that requires high voltage.

Working Principle

The thyristor voltage regulator uses a series transformer and a voltage regulating transformer as its working principle. The series transformer is connected in series to the power line: the series winding to the power line. For instance, the voltage-regulating transformer’s output is connected to its primary winding through a contactless on-load tap changer that is coupled to the output. The intelligent controller monitors continuously the output voltage and compares it with the one that is required. The controller detects a deviation decides the appropriate tap position and sends a control signal to the thyristor trigger unit which then enables driving the motor. This in turn turns on the appropriate thyristor and controls the turns ratio of the voltage-regulating transformer. Using the voltage-referring transformer, the regulated voltage is fed forward through the series transformer to compensate for the voltage variation. The size of the compensation voltage (△U) is dependent on the tap and polarity settings of the secondary winding on the voltage-regulating transformer, which is to say, the size depends – in this case – on the size and polarity of the transformer. Such a dynamic feedback mechanism maintains a stable output voltage in the presence of variations in the input power supply.

Application

1. Power Plants

In power generation plants, voltage ramps should be maintained to maximize the operation efficiency of generators as well as electrical equipment. It is used to stabilize voltage fluctuations; protect the plant’s infrastructure, and enhance performance.

2. Heavy Industry

Power load change for heavy industries such as steel mills and chemical plants is very high when large machinery in such industries is working. The TVR system needs to make sure the voltage is delivered stably so no electrical spikes or sags will damage the equipment and will improve production performance.

3. Power Utility Grids

Voltage regulation is necessary for power transmission and distribution networks to reduce power loss and to guarantee prompt power supply to consumers at the end. By helping utility companies remain stable concerning voltage in a massive grid system and reducing the need for power outages, it has been useful for improving energy efficiency and efficiency.

4.  Renewable Energy Installations

For renewable energy sources including wind farms and solar power plants, the output varied greatly depending on the weather. It stabilizes and adjusts the voltage output from these fluctuating sources to allow for energy production and stable integration with the grid.

5. Data Centers

The right stable power is necessary to keep servers running and to maintain the function of sensitive equipment in data centers. This is used to stop voltage disturbances that will stop operations and ensure a proper power supply and acceptable downtime.

6. Oil and Gas Industry

Voltage stability is very important to operate heavy electrical equipment, for example, pumps and compressors that are in use in refineries and gas processing plants. Thyristor-controlled voltage regulator helps maintain power levels, to run uninterruptedly in such energy-demanding environments.

Certificate

Factory

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