Electrical equipment guides
Practical guides from our engineers on choosing, sizing and specifying motors, panels, transformers, batteries, inverters, solar equipment, pumps and cables for Indian industry.
Battery Chargers: Float, Boost and Trickle Charging
Float, boost, equalise and trickle are the four stages of stationary battery charging. Learn what each does, typical voltages per cell, how to size a charger…
6 min readBatteries, Inverters & UPSPure Sine Wave vs Square Wave Inverter: Why It Matters
The shape of an inverter's output waveform decides whether fans hum, fridges run hot and computers stay up. Learn the three waveforms and which loads need…
6 min readBatteries, Inverters & UPSBattery Maintenance: How to Extend Inverter Battery Life
Battery life is mostly decided by habits, not luck. A checklist of the routine checks, charging settings and storage practice that keep inverter and industrial batteries…
6 min readBatteries, Inverters & UPSBattery Bank Sizing: Switchgear DC and Telecom 48 V
How to size a battery bank for switchgear DC supply and 48 V telecom: duty cycle, cell count, ageing and temperature factors, a worked example and…
6 min readBatteries, Inverters & UPSHow Long Will My Battery Back Up My Load? Worked Example
A step-by-step worked example showing how to estimate backup time from battery Ah, voltage, load and inverter efficiency, and why the answer is shorter than the…
6 min readBatteries, Inverters & UPSVRLA vs Flooded Batteries for Industrial Standby
Sealed VRLA or vented flooded cells? Compare life, maintenance, ventilation, temperature tolerance and failure behaviour to choose the right standby battery for your plant.
6 min readBatteries, Inverters & UPSLithium-Ion vs Lead-Acid Battery for UPS and Inverter
Lithium costs more upfront but lasts longer and delivers more usable energy. This guide shows where each chemistry wins for inverters and UPS and the traps…
6 min readBatteries, Inverters & UPSInverter vs UPS: What Is the Difference?
In India the two words are often used for the same box, but they are built for different jobs. Learn the real difference in switch-over time,…
6 min readBatteries, Inverters & UPSOnline vs Line-Interactive vs Offline UPS Compared
Three UPS topologies, three different levels of protection. See how online, line-interactive and offline UPS differ, and which one your computers, servers or controls need.
6 min readBatteries, Inverters & UPSHow to Size an Inverter and Battery for Home or Shop
A practical method to add up your loads, pick the inverter VA rating and battery Ah, and avoid the usual mistakes with fridges, pumps and starting…
6 min readBatteries, Inverters & UPSTall Tubular vs Flat Plate vs SMF Inverter Battery
How tall tubular, flat plate and SMF batteries differ in construction, life, upkeep and cost, and which one fits your inverter and the power cuts you…
6 min readSwitchgear, Panels & ProtectionWhat Routine Testing Should a Switchgear Panel Go Through?
The checks behind a panel built to IEC 61439 before it leaves the workshop.
2 min readSwitchgear, Panels & ProtectionUnderstanding IP Ratings for Industrial Electrical Equipment
What IP54, IP55 and IP65 actually mean when you specify panels and motors.
2 min readMotors, Gearboxes & DrivesHow to Choose an LT Induction Motor: The Specs That Matter
A short checklist for specifying low-tension induction motors for industrial duty.
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