POWER DISTRIBUTION--Distribution Software

Computer programs are available for planning, design, and operation of electric power distribution systems. Program functions include:

1. Arc flash hazard and fault analysis

2. Capacitor placement optimization

3. Circuit breaker duty

4. Conductor and conduit sizing-ampacity and temperature calculations

5. Database management

6. Demand management

7. Distribution reliability evaluation

8. Distribution short circuit calculations

9. Fault detection and location

10. Graphics for single-line diagrams and mapping systems

11. Harmonic analysis

12. Motor starting

14. Power factor correction

15. Power flow/voltage drop computations

16. Power loss computations and costs of losses

17. Power quality and reliability

18. Relay and protective device coordination

19. Switching optimization

20. Tie capacity optimization

21. T and D modeling and analysis

22. Transformer sizing-load profile and life expectancy

23. Voltage/var optimization

Some of the vendors that offer distribution software packages are given as follows:

_ ABB Network Control, Ltd., Switzerland

_ ASPEN, San Mateo, CA

_ Cooper Power Systems, Pittsburgh PA

_ Cyme International, Burlington MA

_ EDSA Corporation, Bloomfield MI

_ Electrocon International Inc., Ann Arbor MI

_ Operation Technology, Irvine CA

_ Milsoft Utility Solutions Inc., Abilene TX

_ RTDS Technologies, Winnipeg, Manitoba, CA