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Delta Electronics. Inc.
3.3. Arc Suppression Specification
Figure 3.4 shows the waveforms and key parameters under arc condition, and Table 3.3
indicates the arc energy and adjustable parameters for user.
0V
Voltage
Signal of
Switching
Current
0A
Table 3.3 Arc Energy specification and adjustable parameters for User
Item
Delay Time
Pause Time
Arc Trip Voltage Level
Over Arc Density Protection
Over Arc Number Protection
Arc Energy
Detection
Time
Arc Voltage
Trip Level
Arc Detected
Detection Circuit Activated
Arc Occurs
t
1
Figure 3.4 Arc Suppression mechanisms
Specification
1 to 5 µs
40 to 250 µs
25 to 200 V
1 to 99
1 to 999
< 1 mJ per kW
Delay
Pause
Time
Time
Switching off
t
t
t
2
3
4
HPH- 20KA01KAT
Recovery
Time
t
t
t
5
6
7
Description
Adjustable delay until cutoff
output after detecting arc
Adjustable time between output
cutoff and recovery
The level to determine if arc
occurs from output
Adjustable counter to alarm if
the a frequent arc condition
occurs within 1 second
Adjustable counter to alarm if
the arc number is over the
setting.
t
8
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