How to Select a Servo Voltage Stabilizer for Industrial Loads

Record the supply and loads

Measure minimum and maximum input voltage, phase imbalance, frequency and load current over representative shifts. List motors, heaters, drives and electronic equipment, including their voltage tolerance and starting behaviour.

Choose the operating range

Specify single-phase or three-phase supply, output voltage, regulation tolerance and response requirements. Check available output capacity at minimum input voltage: wide-range equipment may have different capacity or derating limits.

Practical project example

For a workshop adding a motor, running load kVA alone is insufficient. Obtain starting-current information and the measured minimum supply voltage, then ask for capacity confirmation at that input voltage before selecting a stabilizer.

Confirm installation requirements

Consider cooling, ambient temperature, ventilation, duty cycle, bypass, overload protection and service access. For sensitive loads requiring uninterrupted power, evaluate a UPS separately; a stabilizer supplies no battery backup.

Frequently asked questions

Does a servo stabilizer provide backup during a power cut?

No. Voltage correction requires an incoming supply. Loads requiring continuity need an appropriately designed UPS or other backup source.

Are the examples a GEESYS product specification?

No. Worked examples explain selection principles. Use the selected product datasheet and approved project design for actual ratings and installation requirements.

Related GEESYS products

• Servo Controlled Voltage Stabilizer