SECTION 5
REMOTE OPERATION
89
5.5.2 METERED DATA QUERIES (cont)
:MEASure:PF1?
Query: metered power factor (KW/KVA)
Φ
A.
Returns <0> to <1.0>
:MEASure:PF2?
Query: metered power factor (KW/KVA)
Φ
B.
Returns <0> to <1.0>
:MEASure:PF3?
Query: metered power factor (KW/KVA)
Φ
C
.
Returns <0> to <1.0>
:FETCh[:WAVEform]:VOLT1?
:FETCh[:WAVEform]:CURRent1?
Query: metered waveform data (line-to-neutral voltage only).
Use
:VOLT1
for
Φ
A,
:VOLT2
for
Φ
B, and
:VOLT3
for
Φ
C
volts
Use
:CURR1
for
Φ
A,
:CURR2
for
Φ
B, and
:CURR3
for
Φ
C
current
Returns a string of 512, NR2 type numbers, comma delimited. Each
waveform string is terminated by a semi-colon.
:MEASure:SPECTrum:VOLT1[:MAGnitude]
:MEASure:SPECTrum:CURRent1[:MAGnitude]
(option: Harmonic Analysis and Synthesis)
Query: waveform harmonic magnitudes
Use
:VOLT1
for
Φ
A,
:VOLT2
for
Φ
B, and
:VOLT3
for
Φ
C
volts
Use
:CURR1
for
Φ
A,
:CURR2
for
Φ
B, and
:CURR3
for
Φ
C
current
Returns a data set of up to 256 (default=64), NR2 type numbers,
comma delimited, representing harmonic magnitudes. The first
element is the magnitude of the fundamental, for reference. The 2nd
element is the 2nd harmonic, etc. Each magnitude is a percent of the
fundamental. The number of harmonics is defined by
:SENSe:SPECTrum:RANGe
. See para. 4.3.1.1 and 5.4.2.
:MEASure:SPECTrum:PHASe
(option: Harmonic Analysis and Synthesis)
Query: phase angles in degrees for the most recent harmonics data
Returns a data set of up to 256, NR2 type numbers, comma delimited.
The first element is the angle of the fundamental, for reference. The
2nd element is the angle of the 2nd harmonic, etc. The previous
:MEASure:SPECTrum:parameter
command defines which phase
angles are sent. If parameter was VOLT1 then the phase angles will
be for VOLT1.
:MEASure:SPECTrum:THD?
(option: Harmonic Analysis and Synthesis)
Query: Returns Total Harmonic Distortion of the most recent
:MEASure:SPECTrum:parameter
command, as above.
:MEASure:SPECTrum:OHD?
(option: Harmonic Analysis and Synthesis)
Query: Returns Odd Harmonic Distortion of the most recent
:MEASure:SPECTrum:parameter
command, as above.
:MEASure:SPECTrum:EHD?
(option: Harmonic Analysis and Synthesis)
Query: Returns Even Harmonic Distortion of the most recent
:MEASure:SPECTrum:parameter
command, as above.
Содержание UPC-12
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