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Code: Seba-KMT LPD-Monitor
Datasheet
PDF, 0.3 Mb
Description
Bene?ts
Portable online PD measuring system for monitoring MV and HV systems
16 channels
Allows ef? cient forward planning of necessary maintenance work
Quick and easy to install
Integrated automatic knowledge-based evaluation of measured PD levels
Current status can be viewed at any time via remote access
Description
The LPD (live partial discharge) Monitor can be used for temporary
or constant monitoring of partial discharge on medium- and highvoltage
systems andcables up to a rated voltage of 66 kV.
With its 16 input channels, the lightweight LPD Monitor is an ideal,
portable system for a fast check of critical PD within cables or their
accessories.
Even a quick test can provide useful information on the condition of
the cable as a basis for identifying the required maintenance work,
such as a comprehensive offline PD diagnosis.
The PD signals are recorded using inductive (HFCT) and/or capacitive
(TEV) sensors. The inductive sensors are placed directly around the
insulated conductor or the cable sheath. The capacitive sensors can
be easily attached to metal parts of the switchgear using a magnetic
holder.
Depending on the number of sensors, the signals from each sensor
are recorded at set intervals (every 1 to 20 minutes). These readings
are immediately analysed by the integrated software. The signals are
categorised either as a "local PD" or a "cable PD". The measured
level is compared to the values stored in a database and then assigned
to one of four possible assessment categories.
PD activity rated as"critical" automatically generates an alarm
message.
The user can check the current readings and the progress of the
PD activity at any time via remote access.
Standard accessories
Scope of delivery
LPD Monitor
6 inductive sensors (HFCT 100/50)
2 capacitive sensors (TEV)
Set of coaxial cables (2×5 m, 4×10 m and 2×15 m)
Accessory bag
Keyboard/mouse/modem
Recommended options
Options
Set of additional sensors (6 x HFCT 100/50, 2 x TEV)
Different-sized HFCT sensors (ask SebaKMT for details)
Flat coaxial cables for enclosed switchgears
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