Voltage Regulator and Transformer Products
ONS Enerji manufactures four core product groups for voltage stabilization, voltage matching and electrical isolation. Every product is sized to your project’s power, voltage and environmental conditions. It also offers uninterruptible power supply (UPS) solutions against power outages.
Servo Voltage Regulator
Servo-motor-controlled voltage regulator that stabilizes voltage smoothly and with high precision.
Static Voltage Regulator
Electronically switched regulator with no moving parts, correcting voltage within milliseconds.
Autotransformer
Single-winding transformer that raises or lowers voltage economically and efficiently.
Isolation Transformer
Transformer with electrically separate windings, providing safety and noise filtering.
Uninterruptible Power Supply (UPS)
Uninterruptible power supply that keeps the load running on battery power during a power outage.
Which product for which need?
| Need | Recommended solution |
|---|---|
| Voltage fluctuates and I want to stabilize it | Servo regulator (precise) or static regulator (fast) |
| Machine voltage does not match the grid | Autotransformer (economical) or isolation transformer (if safety is required) |
| Shock risk or noise problem | Isolation transformer |
| Equipment stops when the power goes out | Uninterruptible power supply (UPS) |
| Both isolation and stabilization are needed | Ask our technical team for a combined solution |
Product group comparison
The key technical differences between our product groups. Exact values are defined per project and model.
| Feature | Servo Voltage Regulator | Static Voltage Regulator | Autotransformer | Isolation Transformer | Uninterruptible Power Supply (UPS) |
|---|---|---|---|---|---|
| Stabilizes voltage | Yes | Yes | No (fixed ratio) | No (fixed ratio) | Depends on type |
| Converts voltage (e.g. 380 → 220 V) | No | No | Yes | Yes | Design dependent |
| Galvanic isolation | No | No | No | Yes | Design dependent |
| Supplies power during an outage | No | No | No | No | Yes (for the battery duration) |
| Correction type | Stepless | Stepped (electronic) | — | — | — |
| Correction speed | Limited by servo motor speed | Very fast (milliseconds) | — | — | — |
| Moving parts | Yes (servo motor, brush) | None | None | None | None |
| Key strength | Precision | Speed | Economy and efficiency | Safety and noise filtering | Power continuity during outages |
Find the right product in 2 questions
We suggest the product group that fits your answers.
1What would you like to do?
2How does the voltage fluctuate?
2Is electrical isolation also needed?
Servo Voltage Regulator
Servo-motor-controlled voltage regulator that stabilizes voltage smoothly and with high precision.
This is a first suggestion; confirm the final choice with our technical team using your load data.
Static Voltage Regulator
Electronically switched regulator with no moving parts, correcting voltage within milliseconds.
This is a first suggestion; confirm the final choice with our technical team using your load data.
Autotransformer
Single-winding transformer that raises or lowers voltage economically and efficiently.
This is a first suggestion; confirm the final choice with our technical team using your load data.
Isolation Transformer
Transformer with electrically separate windings, providing safety and noise filtering.
This is a first suggestion; confirm the final choice with our technical team using your load data.
Uninterruptible Power Supply (UPS)
Uninterruptible power supply that keeps the load running on battery power during a power outage.
This is a first suggestion; confirm the final choice with our technical team using your load data.
Four steps from needs analysis to delivery
We are with you at every step, from needs analysis to delivery.
Needs analysis
We review your load, voltage, phase and environment data together.
Sizing and quotation
We define kVA and technical specifications and prepare a clear quote.
Manufacturing and inspection
We build and inspect the unit to specification.
Delivery and support
We provide technical support through shipment and commissioning.
Our products are insured for 2 years
In case of burn-out or failure, a payout can be claimed under the insurance cover. Scope and conditions follow the policy terms.
Frequently Asked Questions
The most common questions about selecting regulators and transformers, custom manufacturing and the quotation process.
01What is a voltage regulator and what does it do?
A voltage regulator is an automatic protection device that keeps the voltage supplied to equipment close to its nominal value when mains voltage rises or drops. It protects machines, electronic boards and drives from failures and lifetime loss caused by voltage fluctuation.
02What is the difference between a servo and a static regulator?
A servo regulator corrects voltage steplessly and precisely with a servo-driven variac, but more slowly. A static regulator corrects in steps using electronic switches, very fast and with no moving parts. The choice depends on the load’s accuracy and speed needs.
03Are your products covered by insurance?
Yes. ONS Enerji products are covered by insurance for 2 years; in case of burn-out or failure, a payout can be claimed under the insurance cover. Scope, exclusions and the claim process follow the policy terms; please contact us for details.
04What is the difference between an autotransformer and an isolation transformer?
An autotransformer shares one winding between input and output; it is economical and efficient but gives no galvanic isolation. An isolation transformer has two electrically separate windings, providing safety and noise filtering.
05Do you manufacture custom kVA or voltage ratings?
Yes. We size and manufacture regulators and transformers to your load, input/output voltage and phase configuration. Simply share your details through the quote form.
06What information is needed for a quote?
Application, total load power (kW/kVA), input and output voltage, number of phases, quantity and desired lead time. You can submit the form even with incomplete data; our engineers will get back to you.
Let’s define the right solution for your project
Share your load data and operating conditions; we will confirm kVA, voltage and protection needs together with our engineers.