Table 9-10: Emergency Voltage Unbalance - California Instruments 2253i User Manual

User Manual
VOLT FREQ MAX
This test will set the voltage and frequency to a level defined by Table 9-9. The test will last for 30
minutes. The test will be repeated using the voltage from Table 9-8 and frequency from Table 9-9.
The BACK key (backspace) will terminate the test at any time.
VOLT UNBALANCE
Standard/Group
Voltage offset
Frequency
Standard/Group
Voltage offset
Frequency
This test will change the output voltage for phase A
a value specified by an offset. Refer to Table 9-10 for the offset value and the Frequency. The test
will repeat with the same frequency and phase A and B volt is set to 100V and phase C set to a higher
voltage specified by the offset. The test will last 30 minutes. The test will be repeated for a second
Frequency if applicable. The test can be terminated at any time.
The BACK key (backspace) will terminate the test at any time.
California Instruments
RTCA A(CF)
8 8
400 360/440
Group1 Group2
8 8
400 360/650

Table 9-10: Emergency Voltage Unbalance

A(NF)
8
360/650
Group3
12
360/800
and B to 122V and phase C to a voltage lower by
2253i / 2253iX
A(WF)
10
360/800
123