The Different Types Of High-Voltage Shunt Regulators

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The Different Types Of High-Voltage Shunt Regulators

27 July 2022
 Categories: Construction & Contractors, Blog

High-voltage shunt regulators are devices that are used to maintain a constant voltage level in an electrical circuit. These devices are designed to work with high voltages, and as such, they need to be able to dissipate large amounts of heat.

There are two main types of high-voltage shunt regulators: linear and switching. Both designs have their advantages and disadvantages that determine which type of shunt regulator should be used.

Linear High-Voltage Shunt Regulators

A linear high-voltage shunt regulator uses a resistive element to control the current flow through the circuit. This type of device is typically used in applications where low currents are required, such as in low-power electronic circuits. However, linear high-voltage shunt regulators are not very efficient, and they can generate a lot of heat.

One method to dissipate the heat in a linear high-voltage shunt regulator is to use a copper heat sink. Heat sinks are made of good thermally conductive materials and have a large surface area in contact with the air. The surface area allows for more heat to be radiated away from the device.

Another method to dissipate the heat is by using a cooling fan. The cooling fan will circulate the air around the device and help to carry the heat away. Both of these methods will help to keep the device cool and prevent damage from overheating.

Switching High Voltage Shunt Regulators

These shunt regulators make of use transistors to control the current flow through the circuit. This type of device is much more efficient than linear regulators, and it can handle higher currents.

However, switching high-voltage shunt regulators generate a lot of electromagnetic interference (EMI), which can cause problems in electronic circuits. This interference can come from both the input and output sides of the regulator and can adversely affect the performance of nearby electronic devices.

There are a number of ways to deal with EMI, including using shielded cables, filtering the input and output signals, capacitors, and snubbers at the output.

For Your Application

The most important factor in choosing a high-voltage shunt regulator is the desired voltage. This must be specified by the electrical or electronic engineer in charge of design so that the correct device can be chosen for the application. To make this determination, they will also take into account the type of power source, usage, and a host of other factors.

Reach out to a retailer or contractor for more information.