NEUTRONPower Distribution & New Energy
Technical knowledge library
Practical notes for transformers, switchgear, distribution assemblies and specification decisions for export projects.
Showing 25–36 of 42 published guides.
Every guide remains available through the numbered topic pages and its own permanent article URL.
Low-voltage systems / Engineering guide
APFC stands for Automatic Power Factor Correction — the controller that switches capacitor stages onto a reactive bus so the plant power factor stays in band without manual intervention.
Low-voltage systems / Engineering guide
Single-phase and three-phase circuit breaker wiring in distribution boxes: busbar combs, RCD and RCBO neutral paths, phase balancing and testing.
Power distribution / ATS guide
An automatic transfer switch moves a load between a primary utility supply and a standby supply without operator intervention. Six decisions determine whether the installed unit performs: **transition mode** matched to load sensitivity, **current rat
Power distribution / Engineering guide
Copper and aluminium windings in oil-immersed transformers compared on conductivity, load losses, short-circuit strength, weight and 25-year total cost of ownership.
Low-voltage systems / Engineering guide
A fuse box protects circuits with a sacrificial element that melts and must be replaced. A distribution box protects them with resettable circuit breakers, and normally adds residual current protection, surge protection and modular expansion. The pra
Electrical engineering / Buyer guide
Every battery stores and delivers direct current (DC). An electrochemical cell has a fixed positive and negative terminal, so current can only flow one way. Everything that appears to make a battery work with alternating current is a converter: a rec
Power distribution / Engineering guide
How substations step voltage up and down, what sits inside them, and how to specify package substations and LV switchgear to IEC 62271-202 and IEC 61439.
Power distribution / ATS guide
Manual, motorised and automatic changeover switches compared: 2P/3P/4P poles, AC-31 to AC-35 duty, transfer times and IEC 60947-6-1 selection. (142 characters)
Low-voltage systems / Engineering guide
IP rating guide to IEC 60529: what each digit means, IP54 vs IP65 vs IP66, test methods and how to pick enclosure protection for your site. (139 characters)
Power distribution / Engineering guide
A practical oil-filled transformer maintenance plan: DGA fault gases, Duval Triangle, BDV and moisture limits, leak control and safe work rules. (144 characters)
Power distribution / Engineering guide
Meta description (152 chars): Decode ONAN, ONAF, OFAF and ODAF cooling codes, compare mineral oil with synthetic and natural esters, and specify transformers for package substations.
Power Distribution
1 Combined vs separate devices