How does servo stabilizers work

Good quality carbon brush is suggested for the servo stabilizer to avoid replacement at the early stage. It is purely electronic circuitry that controls the movement of the motor.

It consists of PCBs consisting of solid-state circuitry consisting of a capacitor, register, transistor Amplifier, Microprocessor, and ICs.

In short, the motor drive is the mind of the servo voltage regulator. Motor drivers continuously take input about input and output voltages and accordingly send an instruction to the servo motor to adjust the number of windings. Control circuitry Power supply makes available power for PCB boards. To understand the working of a servo voltage regulator, please note that voltage across secondary of Buck-Boost transformer is nothing but output voltage of stabilizer.

It works as follow:. Before buying a servo voltage regulator, you should research to select the right type, capacity, and price. Every step is essential to get the most suitable model. If you follow the following steps, then there are fewer chances of making mistakes. These steps will explain the load calculation to select the right type and supplier for your servo regulator. List down the single and three-phase load on a sheet. You will come to know which types of load have a majority.

If you have only a single-phase load and the total capacity is less than 20kVA, go for a servo regulator with a single-phase output. If you have a mixed load or only a three-phase load or all single-phase load but a total capacity of more than 20kVA, you must select a three-phase stabilizer. In this step, we need to calculate the total KVA of the load. Since you have already made a list of machines, it is very easy to size. For each mono phase load, you can calculate kVA by multiplying its voltage and current and dividing it by thousand.

For 3-phase, multiply the product of line voltage and line current by three and divide it by a thousand. Then some up the kVA capacity of all load to get total capacity. This step is essential. If you select a shorter range, there will be no use in buying a voltage stabilizer. Input voltage correction range or window is nothing but low and high voltage value.

And when input is within the two values, a servo regulator will correct it and offer stable output. For example, in servo voltage regulator has an input range of to V. Whenever the input voltage is between V and V, this unit can correct the voltage. Before buying a system, you should determine this range. You can find out the lowest and highest voltage fluctuation at your facility by recording data with the help of digital meters like Fluke You also can get this data from your local electricity supply company.

Suppose data shows that voltage touched to lower value of V and shoot to value of V then, you should go by unit with input voltage window of V to V or broader. So, the servo voltage stabilizers have higher reliability when compared to static stabilizers. The static stabilizers have advanced means like digital signal processors to automatically sense the voltage fluctuation and correct instantaneously to protect the appliances from short circuits and overcurrents.

So, the static stabilizers have more protection levels than the servo stabilizers. Servo stabilizers create a little big sound but static stabilizers have silent operations. So, the static stabilizers are preferable to use indoors and outdoors as well. So, static stabilizers allow instantaneous voltage stabilization. Static stabilizers have zero transition time — they avoid the break in the output and hence, transfer the bypass automatically.

However, such means with servo stabilizers are complicated and costly as well. The size of static voltage stabilizers is very much compact when compared to that of the servo voltage stabilizers. Static stabilizers do not have moving parts and so its maintenance is easy. But, the servo stabilizers have servo motors and shaft that move always — therefore, they face regular wear and tear. Therefore, the maintenance risks and the associated costs have to be faced when using servo stabilizers.

Ultimately, using static stabilizers is comparatively beneficial when compared to servo stabilizers. With these characteristic features, one can decide well to pertain efficient and standardized stabilizer units. We have quite a number of benefits of using Servo: 1. Perfect stabilization for hospitals best for intricate machineries like X-ray machines, CAT scans, radiation and diagnostic equipments.

Eventually, Servo stands the winner because of its unmatched performance and longer life features. Servo is an electrical motor that is primarily an integral part of the stabilizer, which controls and stabilizes the output voltage supplied by the voltage stabilizer irrespective of the incoming voltage fed to it. Accordingly, a few people call it as Servo Controlled Voltage Stabilizer while others go short by calling just as a Servo Stabilizer. Welcome to Servostar. Connect Us:. Toggle navigation.

Call us to know what Capacity Servo Stabilizer you Require. These are the main components used in servo stabilizer though there are many other parts also like voltmeter, ampere meter, connectors, etc. Give us your email address to know the functioning of each Component. Call our Expert to know more. Facebook Twitter LinkedIn. What is a Step Up Transformer?