Transformer
Oil transformer protection & safeties
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Motor Current
Convert motor kW or HP to running amps.
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kVA ↔ Amps
Convert apparent power and current.
Enter kVA / ampsL-L & L-N optionsOpen calculatorCALCULATOR
Electricity Cost
Estimate energy use and electricity cost.
Enter watts / hoursMultiple appliancesOpen calculatorCALCULATOR
Voltage Drop
Check drop across your cable route.
Enter V & lengthDC & AC circuitsOpen calculatorCALCULATOR
Power Factor
Estimate capacitor compensation in kvar.
Enter kW & PFPresent & target PFOpen calculatorCALCULATOR
Ohm’s Law
Find voltage, current, resistance and power.
Enter 2 valuesSix value pairsOpen calculatorBUILD YOUR KNOWLEDGE
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Electrical Panels
HT & LT panels, components and protection.
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Transformers
Construction, operation, safety and testing.
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Motors & Starters
Induction motors, starting methods and faults.
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Equipment Testing
Test methods, measuring tools and procedures.
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Maintenance
Preventive work, inspections and checklists.
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THE GUIDE LIBRARY
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Browse the complete topic list below, or use Search to find a page quickly.
HT LT Panel14 guides
- Electrical panel, types and single line diagram
- HT panel, components and connection diagram
- HT panel protection, types and diagram
- LT panel, components and connection diagram
- Power distribution panel, components and connection diagram
- Power factor control panel and diagram
- Generator AMF- Automatic Mains Failure Panel Wiring diagram, Working Principle and Components.
- GO/GOAB Switch. Construction, Working principle, Parameters and Types.
- HT Current Transformer Connection diagram, Working Principle and Types.
- HT PT-Potential Transformer Connection diagram, Working Principle, and Types.
- HT Panel Logbooks Description of logbook parameters.
- LT Panel Logbook Template and Types of parameters.
- PCC (Power control Center) Panel Design, Diagram and Components.
- Electrical Power Distribution Board Wiring Diagram and Components.
Transformer16 guides
- Transformer, working principle and diagram
- Types of transformer, features and applications
- Protection of oil transformer and functions
- OLTC, parts, procedure and specifications
- RTCC, parts and working procedure
- Dry transformer, parts and connection diagram
- Protection of dry transformer, features and diagram
- OTI- Oil Temperature Indicator Safety Connection diagram, Working principle, alarm & trip setting.
- Transformer Daily maintenance Inspection Checklist Format and Types of checkpoints.
- Transformer Oil Dehydration Working procedure and frequency.
- Transformer Winding Temp Indicator(WTI)relay Working principle, Connection diagram.
- Transformer Buchholz Relay Working principle and diagram.
- Distribution Transformer Types, Diagram, Parts, Working principle.
- Oil Type Transformer Parts and Their functions.
- Step down Transformer Working principle, Connection diagram and Applications.
- Step up Transformer Working principle, Connection diagram and Uses.
Electrical Motor8 guides
- Electrical motor, working principle and types
- Induction motor, working principle, parts and types
- Single phase induction motor and connection diagram
- Three phase induction motor and connection diagram
- Types of single phase motor test and testing methods
- Types of three phase motor test and testing methods
- Motor maintenance and checkpoints
- Motor Control Panel Components, Diagram, Design, Types and wiring.
Protection Relay10 guides
- Over current relay, connection diagram and working principle
- Power factor control relay, connection diagram and working principle
- Reverse power relay, connection diagram and working principle
- Under voltage relay, connection diagram and working principle
- Master trip relay, connection diagram and working principle
- Trip circuit supervision relay, connection diagram and working principle
- Differential Relay Working principle,circuit diagram and
- Over Voltage Relay Working principle, Wiring diagram and ANSI Code.
- Restricted Earth fault Relay Working principle and Circuit diagram.
- Types of Over Current Relay applications and characteristics.
Motor Starter4 guides
Checklists, logbooks & SOPs17 guides
- Equipment logbook, types and why it is used
- Equipment health checklist
- SOP, description, types and why it is used
- Preventive maintenance checklist and check points
- Transformer logbook and details of parameters
- Transformer maintenance checklist and checkpoints
- Circuit Breaker maintenance checklist Description, Types and maintenance checkpoints.
- Electrical LT Panel PPM- preventive maintenance checklist template excel.
- HT Panel Health Checklist Format and Types of checkpoints.
- High Tension(HT) Panel Operation SOP Process of Manual Start Procedure.
- LT Panel changeover operation SOP procedure of changeover operation and template.
- LT Panel Daily Inspection Checklist Template and Types of checkpoints.
- Electrical Motor PPM checklist Description, Types and maintenance checkpoints.
- Motor Starter Maintenance Checklist Template, Types and Activity Checkpoits.
- Transformer preventive Maintenance Checklist Description, activity procedure and checkpoints.
- Transformer Voltage Regulation SOP Description and procedure of voltage regulation.
- Water Treatment Plant Daily Inspection Checklist Format or Template of Checkpoints.
Circuit Breaker16 guides
- MCB, types and functions
- RCCB, connection diagram and working principle
- MCCB, parts, circuit diagram and working principle
- Safeties of MCCB, technical features and parameters
- ACB, parts, circuit diagram and working principle
- VCB, parts, circuit diagram and working principle
- GCB, parts, circuit diagram and working principle
- Earth Leakage Circuit breaker (ELCB) Circuit diagram, working principle and types of ELCB.
- MCB-changeover Switch Working principle, Circuit diagram and types.
- MPCB- Motor Protection Circuit Breaker. Diagram, Types and Working principle.
- Single Phase RCCB Connection Diagram and Working Principle.
- 3 Phase RCCB Connection, wiring Diagram and Working Principle.
- 6 Types of Air Circuit Breaker(ACB) Technical functions and their features.
- Types of MCCB:- Technical Features and Parameters.
- RCCB- Residual current circuit breaker Types and Their Functions:
- Circuit Breaker Types and working principle.
Electrical Safety8 guides
- Electrical safeties, types and descriptions
- LOTO safety system and working procedure
- LOTO safety kit, description and applications
- Work permit, types, safety guidelines and why it is used
- Electrical earthing, types, diagram and why it is used
- CCTV cameras, types, working procedure and diagram
- Pipe Earthing Parts, Diagram, Working & Installation procedure.
- Air circuit breaker(ACB) safety & protection:- and their technical functions.
Equipment Maintenance9 guides
- Electrical maintenance, types and descriptions
- PPM- planned preventive maintenance and execution process
- PPM schedule, annual or 52 weeks Calender and description
- Preventive maintenance checklist and checkpoints
- Electrical panel maintenance, procedure and checkpoints
- Transformer maintenance, procedure and checkpoints
- Motor maintenance, procedure and checkpoints
- Circuit Breaker preventive maintenance Activity Procedure and checklist.
- Earth Pit maintenace Procedure and activity checklist.
Equipment Testing15 guides
- Earth resistance test, diagram, and testing procedures
- Single phase motor test, diagram and testing procedure
- Three phase motor test, diagram and testing procedure
- Cable test with megger, testing, diagram and procedure
- Transformer oil break down test and testing procedure
- HT protection relay test and testing procedure
- LT protection relay test and testing procedure
- Electrical Unbalance load(current) test Testing Diagram and Testing Procedure.
- Single Phase Motor Test with Megger Testing diagram and testing procedure.
- Single Phase Motor Test with Multimeter Testing diagram and testing procedure.
- Single Phase Motor Test with test lamp How to Test With testing lamp.
- Three Phase Motor Test with Megger Testing diagram and testing procedure.
- Three Phase Motor Test with Multimeter Testing diagram and testing procedure.
- Three Phase Motor Test with Testing Lamp Testing diagram and testing procedure.
- Three Phase Motor Testing Equipments Types of test equipments and Procedure.
Electrical Meters9 guides
- Single phase energy meter, diagram and tech features
- Three phase energy meter, diagram and tech features
- Prepaid energy meter, diagram and tech features
- Multi function energy meter, diagram and tech features
- Clamp meter, technical features and measuring process
- Earth resistance meter, diagram and tech features
- Digital Ampere (Ammeter) Meter Diagram, Working Principle and Types.
- HT Trivector Energy Meter Connection diagram and Technical features
- Volt Meter Connection Diagram, Working Principle and Types.
UPS, VFD & Earthing11 guides
- UPS, parts, types, working principle and block diagram
- UPS operation SOP and checkpoint of procedure
- VFD, parts, types, working principle and block diagram
- Electrical earthing, parts, types and why it is used
- Plate earthing, schematic diagram, parts and installation
- Chemical earthing, schematic diagram, parts and installation
- Parts of UPS : Diagram and Their Functions.
- Main Parts of VFD Their Functions and Applications.
- Types of uninterrupted power supply(UPS) Block Diagram and their Functions.
- Types of VFD- Variable frequency drive and applications.
- UPS Logbooks Template and Their parameters.
Generators & alternators2 guides
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