75 KVA Servo Voltage Stabilizer
Three‑Phase · ±1% Precision · 98.5% Efficiency
Voltapex provides a sturdy 75 kva servo voltage stabilizer intended for medium to large production areas and business premises. The liquid‑filled vessel guarantees steady functioning under demanding factory circumstances.
75 KVA Specification Explained
This equipment supplies unwavering three‑phase electricity for expanding industrial demands.
The 75 KVA figure represents 75,000 Volt‑Amperes. Assuming a standard power factor of 0.8, it accommodates roughly 60 kilowatts of linked apparatus. The design absorbs motor start‑up surges and network variations without disturbance.
This kva stabilizer occupies the gap between compact workshop gadgets and large central systems. It is appropriate for plants running multiple production bays or business complexes with significant electrical consumption. The steel container holds dielectric fluid that extracts warmth from windings and blocks dust and humidity.
Frequent Installation Locations
- Manufacturing Plants: Safeguards several CNC machining cells and auxiliary devices.
- Printing Works: Defends colour offset presses and digital lines against supply swings.
- Moulding Shops: Provides steady voltage for four to six injection machines with hydraulic motors.
- Solar Installations: Smooths output from 60‑75 kW grid‑connected inverters.
- Scanning Centres: Supplies clean electricity to MRI cooling systems and CT apparatus.
- Cold Storage: Guards compressor banks from lock‑rotor and thermal overload.
For larger site‑wide defence, see our 100 KVA stabilizer. For smaller operations, view the 50 KVA unit.
Primary Attributes
- Digital Control: Rapid processor positions motor with excellent precision.
- Surge Endurance: Motor inrush produces nearly zero dip in output.
- Fluid‑Filled Tank: Quality dielectric liquid cools coils and insulates components.
- Undistorted Wave: Constant analogue correction keeps sine shape pure for electronics.
- Complete Safeguards: Overcurrent, line‑to‑line fault, phase loss, and heat trip.
- Broad Input Span: Works from 300V to 480V; extended bands available.
- ±1% Tightness: Holds 415V within narrow margins on all three lines.
- Round‑Clock Rating: Built for 24/7 full load in surroundings up to 45°C.
Technical Data
| Detail | Value |
|---|---|
| Nominal Power | 75,000 VA (75 KVA) |
| Working Load | 60 KW (0.8 PF basis) |
| Phase Arrangement | 3‑Phase, 4‑Wire |
| Heat Removal | Liquid Immersion (ONAN) |
| Supply Voltage Span | 300 – 480V (Std) / Extended choices |
| Delivered Voltage | 415V AC ±1% |
| Cycles | 50 Hz ±5% |
| Performance | Above 98.5% at Full Load |
| Adjustment Rate | 40 Volts per second |
| Reaction Delay | 20 to 30 milliseconds |
| Insulating Fluid | Mineral Oil to IS 335 |
| Enclosure Rating | IP54 (Dust & Splash Proof) |
| Working Temp | -5°C to 45°C |
| Size (WxDxH) | Approx. 900 x 700 x 1400 mm |
| Mass | Near 550 kg |
How Voltage Stability Is Maintained
This three phase servo stabilizer functions on closed‑loop feedback. A sensing circuit tracks the incoming three - phase voltage constantly.
When input deviates from 415V, the control module activates a sync motor. A gear assembly shifts a carbon contact along a variable transformer's coil.
If mains drop, the contact adds series potential (boost). If mains rise, it removes potential (buck). The modified voltage goes to a buck‑boost transformer that gives corrected 415V at the output.
Both magnetic units remain fully inside dielectric liquid. The fluid moves heat outward and offers strong insulation. This enables the unit to manage broad swings and remain reliable. The exact voltage regulation supplies clean electricity for delicate drives and controllers.
Why Select Voltapex
Own Manufacture
We perform coil winding, core stacking, and tank welding ourselves. This command ensures uniform quality and prompt shipment.
Thorough Trials
Each piece passes full‑load heat runs and fluid checks to confirm insulation strength before dispatch.
Careful Handling
We book special freight for liquid‑filled units and send technicians for on‑location start‑up.
Benefits Summarized
Machinery Defence
Prevents pricey failures and stoppages in CNC tools, presses, and automated lines.
Power Bill Reduction
Trimmed voltage lowers copper and core losses, frequently cutting use by 3‑5%.
Level Output Quality
Fixed voltage keeps motor rpm and heating even, reducing waste and redo work.
Prolonged Motor Life
Averts winding strain from long‑term low or high voltage exposure.
Right Choice for Growing Factories
Shop floors with several CNC machines face quick load changes. Spindle ramp, tool change, and fast axis moves draw current pulses that can pull down terminal levels. The Voltapex 75 kva three phase servo voltage stabilizer tackles these loads with strong inrush ability and liquid‑cooled stamina.
Unlike stepped tap changers, this servo method adjusts without jumps. No switching spikes reach CNC drives or logic panels. The 75 KVA size covers four to six production machines plus extras like coolant circulators and vent fans. For an expanding plant project, this device offers a base that can be linked in parallel later.
The 75 kva oil cooled servo voltage stabilizer also fits locations where mains quality affects running expenses. Its broad input acceptance and high yield make it a wise pick for power conditioning in harsh places. Speak with our team for selection guidance.
Common Queries
Operate Your Facility with Stable Voltage
Reach out to Voltapex Power for a technical discussion and quote on the 75 KVA Liquid‑Cooled Stabilizer.