APT resources & technical information center

Technical Information for Aiding the Power Management System Decision Making Process

APT's Technical Assistance & Applications Blog

APT Press Releases

Coming Soon!

Technical Papers

Presentations

Helpful Links

Advanced Power Technologies

Resources & Technical Information

Information for Your Next Power System Decision.

Explore APT technical papers, presentations, and application information covering power distribution, generator interconnection, transfer systems, and renewable energy integration.

Switchgear Learning Center

Switchgear Articles & Guides

Understand switchgear fundamentals, compare equipment types, and explore the ratings and operating arrangements that matter when planning a power system.

Fundamentals

What Is Electrical Switchgear?

Learn how switchgear controls, protects, and isolates electrical circuits.

View Article
Generator Systems

What Is Paralleling Switchgear?

Understand how generators operate together, share loads, and respond to changing demand.

View Article
Equipment Comparisons

Metal-Clad vs. Metal-Enclosed Switchgear

Compare equipment construction, internal compartments, and applicable standards.

View Article
Voltage Ratings

34.5 kV, 35 kV, and 38 kV Switchgear

Understand nominal system voltage, equipment class, and rated maximum voltage.

View Article
Equipment Comparisons

Switchgear vs. Switchboards

Explore differences in construction, ratings, protective devices, and applications.

View Article
Electrical Ratings

Switchgear Ratings Explained

Learn what voltage, current, interrupting, and withstand ratings mean.

View Article
Project Planning

How to Specify Medium-Voltage Switchgear

Explore the electrical requirements and project information needed to specify equipment.

View Article
System Arrangements

Main-Tie-Main Switchgear

Understand how two main breakers and a bus-tie breaker organize power distribution.

View Article
Power Transfers

Open- vs. Closed-Transition Transfer

Compare how sources transfer electrical loads and when an interruption occurs.

View Article
Equipment Enclosures

What Is an Electrical House?

Learn how an electrical house brings power distribution equipment into a packaged enclosure.

View Article

The APT document collection

Technical resource library.

From system fundamentals to product specifications. Find the documents that move your project forward.

32Technical papers, presentations
and product brochures.

All resources