Guides: transformers
Transformer guides explain how to properly select, size, and apply transformers in industrial electrical systems. Understanding transformer principles is essential for efficient power distribution.
About This Topic
Transformer guides explain how to properly select, size, and apply transformers in industrial electrical systems. Understanding transformer principles is essential for efficient power distribution.
Recommended Learning Path
- Learn transformer fundamentals and ratings
- Understand kVA vs kW and power factor relationships
- Calculate transformer size for your load
- Consider efficiency, losses, and cooling requirements
- Apply safety margins and expansion planning
Related Calculators
Use these professional calculators to apply the concepts covered in the transformers guides:
Transformer Size Calculator
Calculate recommended transformer kVA rating based on load and power factor.
Use Tool3-Phase Power Calculator
Calculate three-phase current, kW, and kVA for industrial electrical systems.
Use ToolPF & kW/kVA Converter
Convert between real power (kW) and apparent power (kVA) using power factor.
Use ToolAll Articles
Browse all 13 guides covering transformers topics:
Transformer Tap Changer: Voltage Regulation Guide
Learn about tap changing transformers and voltage regulation. Complete guide with engineering specifications, applications, and troubleshooting.
Read Full ArticleTransformer Sizing: Common Mistakes and How to Avoid Them
Avoid costly transformer sizing errors. Learn common mistakes in transformer selection, including load calculation errors and safety margin problems.
Read Full ArticleTransformer Sizing for Industrial Facilities: Complete Selection Guide
Size transformers correctly for industrial facilities. Complete guide covering load assessment, kVA calculation, and safety margins for manufacturing plants.
Read Full ArticleFactory Load vs Transformer Size: How They Relate
Understand the relationship between factory load and transformer sizing. Learn how to size transformers correctly based on load calculations and power factor.
Read Full ArticleTransformer Sizing for Data Centers (UPS, Redundancy and Harmonics)
Transformer sizing for data centers for electrical engineers and designers: UPS transformer sizing, N+1 redundancy, harmonics and derating, with kVA examples.
Read Full ArticleTransformer Efficiency and Loss Calculation (Core Loss vs Copper Loss)
Transformer efficiency calculation for electrical engineers and designers: core loss vs copper loss, efficiency formula, and oversizing trade-offs.
Read Full ArticleOn-Load vs Off-Load Tap Changer
Learn when to choose on-load (OLTC) vs off-load (OCTC) tap changers for 3-phase systems. Decision criteria, cost-benefit analysis, and selection guide for electrical engineers.
Read Full ArticleTransformer Voltage Regulation Explained
Understand transformer voltage regulation: definition, formula, impedance (Z%), and how it affects 3-phase secondary voltage. Distinguish regulation from conductor voltage drop.
Read Full ArticleThree Phase Transformer Sizing (kVA Calculation and Examples)
Three phase transformer sizing for electrical engineers and designers: kVA formula, line vs phase voltage, balanced and unbalanced loads, with 400V/480V examples.
Read Full ArticleCommon Transformer Tap Changer Faults
Learn to identify, diagnose, and prevent common tap changer faults in 3-phase transformers. Symptoms, causes, and maintenance for OLTC and OCTC.
Read Full ArticleTransformer Sizing for Harmonic Loads (K-Factor and Non-Linear Loads)
Transformer sizing for harmonic loads for electrical engineers and designers: K-factor and non-linear load sizing, THD derating, and VFD/UPS examples.
Read Full ArticleTransformer Sizing for Solar Systems (PV Inverters, Harmonics & Grid Integration)
Transformer sizing for solar systems for electrical engineers and designers: PV inverter harmonics, bidirectional power flow, capacity selection, and grid integration considerations.
Read Full ArticleTransformer Derating Factors Explained (Temperature, Altitude & Harmonics)
Transformer derating factors for electrical engineers and designers: temperature, altitude, and harmonic derating. Correction factors, typical derating table, and practical sizing examples.
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