POWER QUALITY SUPPORT
BEYOND INSTALLATION
"Engineering, maintenance and service support for critical electrical equipment throughout its operating life."
Whatever happens to your electrical equipment after installation, Hindustan Stabilizers is equipped to support you. From preventive maintenance contracts and site power quality audits to digital retrofits, equipment rentals and oil replacement, our engineering team ensures long-term operational reliability.
OUR SERVICES
From preventive maintenance and power audits to retrofits, rentals and oil replacement, our service team supports critical power-quality equipment across its operating life.
Comprehensive AMC (Annual Maintenance Contract)
Complete peace of mind covering all genuine spare parts, carbon rollers, servo motors, control PCB replacement, regular dielectric oil filtration, and priority breakdown attendance within 4 hours in Delhi NCR.
Labour AMC (Labour-only Maintenance Contract)
Cost-effective preventative servicing where our certified electrical engineers perform scheduled quarterly visits, motor calibration, contact cleaning, and mechanical adjustments.
Third-Party AMC (Multi-brand Servicing)
Expert maintenance, diagnosis, and overhaul for non-Hindustan stabilizer and transformer installations across your facility.
Power Quality Audits (Harmonics & Sag/Swell Analysis)
Comprehensive electrical diagnostic audits utilizing class-A power quality analyzers to log THD (Total Harmonic Distortion), voltage sags, swells, transients, and power factor issues.
Stabilizer Retrofit & Microcontroller Upgrade
Modernize legacy analog, relay, or sluggish servo stabilizers with our cutting-edge 32-bit digital microcontroller cards and high-torque AC servo drives.
Rental UPS & Stabilizers (Emergency Backup Power)
Temporary high-capacity voltage stabilizers and online UPS rentals from 15 kVA to 1000 kVA for plant turnarounds, seasonal surges, and emergency replacements.
Transformer Oil Testing & BDV Replacement
Certified on-site and laboratory dielectric testing of transformer oil per IS 335 / IS 1866 standards. Complete vacuum filtration, dehydration, and fresh oil filling.
POWER QUALITY AUDITS
FIND THE PROBLEM BEFORE IT BECOMES DOWNTIME.
Electrical disturbances can affect equipment performance, production continuity and component life. Our power-quality audits help identify the actual condition of your electrical supply and equipment using high-precision power analyzers.
MEASURABLE TECHNICAL PARAMETERS ANALYZED:DON'T REPLACE IT. UPGRADE IT.
MODERNIZE EXISTING STABILIZERS WITH DIGITAL CONTROL.
Where technically suitable, existing analog stabilizers of any brand can be upgraded on-site with modern digital control systems, extending the usefulness of installed equipment while improving monitoring, accuracy and protection at just 1/10th the cost of a new unit.
1. EXISTING ANALOG EQUIPMENT
Older analog servo stabilizer with legacy relay/card controls.
2. DIGITAL CONTROLLER RETROFIT (~2 HRS ON-SITE)
On-site installation of high-speed digital micro-controller sensing & LCD panel.
3. MODERN CONTROL, MONITORING & PROTECTION
Upgraded precision output regulation, digital metering, high/low cut protection & buyback options.
Digital Control Upgrade Panel
HOW OUR SERVICE WORKS
A structured 5-step engineering process to diagnose, repair and verify equipment reliability.
UNDERSTAND
Understand the equipment, application and site operating conditions.
INSPECT
Inspect electrical components and identify potential failure risks.
DIAGNOSE
Use diagnostic testing and power measurement to pinpoint issues.
SERVICE
Execute preventive maintenance, repair, retrofit or fluid replacement.
VERIFY
Full load test and verify output parameters before returning to service.
EQUIPMENT WE SERVICE
Comprehensive technical maintenance and support across our complete manufacturing range and third-party units.
Servo Voltage Stabilizers
Air-Cooled & Oil-Cooled (10 kVA – 2000 kVA)Industrial UPS Systems
Online UPS Units (1 kVA – 300 kVA)Isolation Transformers
Ultra-Isolation & Noise Cut Units (10 kVa – 300kVa)Power & HT Transformers
Distribution & High-Tension Substation Coils (63 kVa – 3000 kVa)Automatic Voltage Regulators
10 kVA – 2000 kVAConstant Voltage Transformers
250 VA – 5 kVAWHY CHOOSE HINDUSTAN SERVICE SUPPORT?
Four core commitments backed by nearly three decades of electrical manufacturing experience.
ENGINEERING KNOWLEDGE
Service backed by deep understanding of the equipment we manufacture since 1995.
PREVENTIVE APPROACH
Identify potential failure risks before they become expensive facility downtime.
APPLICATION SUPPORT
Tailored technical recommendations based on your actual site operating conditions.
LONG-TERM SUPPORT
Support designed around equipment reliability throughout its complete operating lifecycle.
NEED TECHNICAL SERVICE?
Tell us about your equipment, application or power-quality problem. Our engineering service team will help identify the right approach.