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HIGH VOLTAGE DIVIDERS FOR
POWER QUALITY RECORDING SYSTEMS
DC-10MHz for Power Quality Recording, to 1000kV
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VD120 Indoor
38kV RMS
Power Class |
VD120 Outdoor
38kV RMS
Power Class |
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Dranetz / BMI
www.dranetz-bmi.com |
Fluke
www.fluke.com |
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Encore Series |
PowerGuide 4400 |
Fluke
ScopeMeter 120 Series |
Fluke ScopeMeter
190 Series |
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PowerXplorer PX5 |
PowerXplorer
PX5-400 |
Fluke 1735 Three-Phase Power Logger |
Fluke 43B Power Quality Analyzer |
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PowerVisa |
MeasuringPad |
Fluke 430 Series |
Hydra Series |
Precision compensated
resistive capacitive voltage dividers for 1kV to 1000kV. DC up to
10MHz or to 10 nanosecond rise time pulse. 1000/1 or other ratio
matched to 1 megohm, 20 to 50pF or other impedance display or
recorder. Accuracy and stability: 0.01% to 0.1% DC., 0.2% to
1% AC, 3% DC-1MHz., 3DB 10MHz. Contact Ross Engineering for
complete accuracy specifications.
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Recorder
transient response using Wideband Voltage Divider
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Recorder
transient response using potential transformer or non compensated
resistor |
Ross Engineering Corporation
has developed high voltage power line disturbance transducers that are
compact, portable and user friendly for observing or recording to over
900KV PK. It utilizes state of the art Ross Engineering Corporation wide
band power class, high frequency (DC up to 10MHz) high voltage dividers
(VD's). In conjunction with FLUKE/RPM, DRANETZ/BMI, YOKOGAWA,
TEKTRONIX, SQUARE D POWER LOGIC, HIOKI, NICOLET, COOPER POWER, IDTECH,
METROSONICS and many other analyzers/recorders. These wide band VD's
allow the recorders to accurately monitor voltages beyond the recorder's
normal limits.
These new systems are on the leading edge of HARMONICS
recording and are essential to accurately analyze power "glitches" to
frequencies up to 10MHz. The previous technology that utilized frequency
limited potential transformers (PT'S) was not able to accurately sense
the higher frequency harmonics and transients needed to detect power
quality problems that interfere with computers and sensitive controls,
as well as harmonics which can cause overloads and equipment damage.
The Ross voltage dividers are available for purchase or
weekly rental. They are easily used by attaching a lead from each phase
of the HV power line directly to the top of each voltage divider and
grounding each base. The 20ft low voltage output coax cable is connected
to any suitable recorder, oscilloscope or computer. For greater
distances, matching amplifiers, cable drivers and Fiber Optic
Transmission systems are available. |
