⚡ Isolated Phase Bus (AZZ / Powell IPB 5,000A-30,000A, Forced Air Cooling Blower CFM)

Isolated Phase Bus (IPB) Cooling Calculator

Size high-current Isolated Phase Bus (IPB / AZZ / Powell / Delta Unibus) connecting utility generator step-up (GSU) transformers to power plant generators (5,000A to 30,000A at 13.8kV to 25kV): calculate Joulean I2R resistive heating in hollow aluminum/copper tubular conductors, size closed-loop forced-air cooling blower blowers (CFM), and high-voltage substation yields.

1. Project & Operating Inputs

Generator Rated Output (Amps e.g. 18,000A Generator Bus Current)

IPB Run Length (Feet e.g. 120 Foot Enclosed IPB Duct Run)

Customer Bid Price for Supplied & Erected IPB System ($)

AZZ Aluminum Tubular IPB Enclosure, Dual Redundant Blowers, Air-to-Water ($)

2. Financial Breakdown & Yield

ISOLATED PHASE BUS (IPB)

Turnkey IPB Duct & Forced-Air Cooling Profit

High-Voltage Substation Engineering Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost