- Account Services
- Electrical Installation and Standards
- Commercial Rates
- Power Quality for Businesses
Experiencing Electrical Problems
Call Hawaiian Electric's Trouble Line toll free at 1-855-304-1212 and request a voltage check to test if the problem is on Hawaiian Electric's system or internal to your businesses' electrical system.
Power Quality Engineers
If further investigation is needed, Hawaiian Electric has specialized power quality equipment and a group of trained Power Quality Engineers to gather and analyze data and provide recommendations and possible solutions to you. Please call 543-4756.
We provide a brief discussion of one or two timely PQ topics. More information on the topics will be provided as a document that can be viewed and/or printed as an Adobe (pdf) file for your use.
Harmonic Filter for Personal Computers -font Part 2: Passive, Series-Connected Parallel-Resonant
|Harmonic Filter for Personal Computers Part 1: Passive, Parallel-Connected Series Resonant||Part 1 of a 2-part series that deals with using filters to reduce harmonic current distortion caused by personal computers on a common branch circuit.|
|Everything You Wanted To Know About Harmonics (But Were Afraid To Ask) Part 1: A Few Basics||Part 1 of a 2-part series that deals with the significant issue of harmonics in power quality and how they affect electronic equipment.|
|Everything You Wanted To Know About Harmonics (But Were Afraid To Ask) Part 2: Advanced Topics||Part 2 of a 2-part series that deals with the significant issue of harmonics in power quality and how they affect electronic equipment.|
|Motor Bearing Currents and Adjustable Speed Drives||A technical brief on bearing currents and how it may lead to preventable mechanical failure for motors in adjustable speed drive applications.|
|Line Reactors and Adjustable Speed Drives||A technical brief on using line reactors to reduce harmonics and transient voltages on the line side of adjustable speed drives.|