Dr. Kesorn Pechrach Weaver: Arc Control in Circuit Breakers: Programmes to control the short circuit arc operat...

Dr. Kesorn Pechrach Weaver: Arc Control in Circuit Breakers: Programmes to control the short circuit arc operat...: Programmes to control the short circuit Arc operation These programmes are to control the operation of the experimental equipment, analy...

Programmes to control the short circuit arc operation

Programmes to control the short circuit Arc operation

These programmes are to control the operation of the experimental equipment,
analysing the experimental results and make a series of the arc images movies to
observe the movement of the arc root from contact region into the arc chamber.
Description of the programmes as follows:

This program is installed to run the test sequences operation. This
program is used to control the sequences of the Flexible Test Apparatus (FTA), Arc
Imaging System (AIS), the capacitor discharge system (CDS) and the digital storage
oscilloscope (DSO).
The software computer program Flexgav4.bas starts to run, the delay contact time is
entered as required, the capacitor bank is then charged to the desired voltage, the
apparatus operate sequentially.
The solenoid is fired and the test data is recorded in the RAM of the Arc Imaging
System (AIS) as previously described [9,10,11,12,66]. Simultaneously the short
circuit current and the short circuit voltage are displayed on the digital storage
oscilloscope (DSO).
The experimental result is transferred from the memory of the digital storage
oscilloscope (DSO) and from the Arc Imaging System (AIS) to the hard disk in the
personal computer (PC).
When this program is initiated, the Digital Storage Oscilloscope (DSO) will reset its
system. A symbol READY status for recording a new test data acquisition is shown.
A delay contact time (tcod) is entered into the PC. After that the apparatus will start to
charge the capacitor bank until the required voltage is reached.

Ref: Arc Control in Circuit Breakers: Low Contact Velocity