GE CB Watch 3 User Manual

CB Watch 3 User Manual v6.3 - May 2019 Page 22 of 100
HMI: Measurements/Last opening and closing results
Figure 28 – Last operation measurements
Discordance between poles
When all poles are operated simultaneously in an IPO CB, the opening and closing
operation timing are compared for each pole and any differences are highlighted.
• The “discordances” are the timing differences pole to pole (A-B, A-C, C-B),
• The maximum discordance is also recorded (also referred to as “discrepancy”)
There will always be small differences pole-to-pole, but these should be kept small as
high values may lead to large voltage spikes being generated that could potentially
damage network and equipment.
HMI: Measurements/Last opening and closing results

GE CB Watch 3 Specifications

General

Brand	GE
Model	CB Watch 3
Category	Measuring Instruments
Language	English