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AMETEK Lx Series II User Manual

Page 148

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User Manual

Lx / Ls Series II

144

400Hz

VFREQ

60 Hz

1

393

360

59

1 minute

2

407

800

61

1 minute

3

400

SSF

60

1 minute

Table 10-2: Steady state frequency

The

key (backspace) will terminate the test at any time.

VOLT UNBALANCE

This test will change the output voltage for the selected phase only in the following sequence:

112V for 1 minute.

118V for 1 minute.

115V for 1 minute.

The test will be repeated on three phase systems to include all three phases if the coupling is set to all.

The

key (backspace) will terminate the test at any time.

PHASE DIFFERENCE

This test applies to three phase systems only. The phase angle for the selected phase will
change relative to phase A in the following sequence:

If phase B is selected:

236 for 1 minute.

244 for 1 minute.

240 for 1 minute.

If phase C is selected:

116 for 1 minute.

124 for 1 minute.

120 for 1 minute

VOLTAGE MODULATION

This test will vary the output voltage by 2.5V rms over a period of one second. The test will last
for 2 minutes. The

key (backspace) will terminate the test at any time.

FREQUENCY MODULATION

REVISION

D

E

F (400Hz /VFREQ)

F (60HZ)

MODULATION

7Hz

4Hz

4Hz

0.5Hz

Table 10-3: Frequency Modulation

This test will vary the output frequency as defined by Table 10-3 over a period of one minute.
The test will last for 4 minutes. The

key (backspace) will terminate the test at any time.

WAVEFORM DISTORTION

This manual is related to the following products: