The Fault Wizard is a truly portable, relatively
inexpensive, and user-friendly fault location
system for primary underground cable. The system
is based on the new automated arc-reflection
technology (AART) developed by IUP. The display
shows the distance in feet or meters to the
fault location. The display also shows the fault
type (open or short), the battery voltage, the
velocity of propagation setting, the charge
voltage, and whether the system is armed for
waveform storage for retrieval and viewing on
a computer (desktop or laptop) by utilizing
the Fault Wizard Software. However, as stated
before, viewing of the waveforms is not required
since the Fault Wizard gives an automatic readout
of distance to the fault location. Since the
system is battery operated, it can be used in
remote locations.
The
Fault Wizard will shoot through transformers
and will locate faults up to 10,000 feet. Therefore,
the Fault Wizard is great for faulted-cable
section isolation. The impulse voltage is variable,
which allows low-voltage pulsing and minimum
damage to cables. The system has a cycle mode
for use in pinpointing the fault with a headset
listening device. However, the Fault Wizard
has sufficient power to often be felt and heard
above ground.
In
cycle mode, the Fault Wizard's batteries will
last over 1 hour (full battery charge) and deliver
a 350 J pulse (10 kV charge voltage) every 6
seconds. The cycle rate is faster at lower voltage
settings. The system also has a hi-pot mode
(DC output variable from 0 to 10 kV) for checking
the breakdown voltage of the fault in an isolated
section of cable or the integrity of an isolated
section of cable (to insure the fault is in
that section of cable before re-energizing).
The
battery voltage will flash on the display when
the batteries are low and need recharged. Battery
recharging is accomplished through the 120 VAC
socket located on the panel. Changing the velocity
of propagation setting is easily accomplished
by up and down buttons located on the panel.
The Fault Wizard's internal system is environmentally
shielded and housed in a very durable rotationally-molded
polyethylene case. Three handles are attached
to the case for convenient carrying by one or
two people.
Key
features
- Weight:--------------------------
approximately 23 kg (50lbs.)
- Size:------------------------------
25.4 x 45.7 x 48.2 cm. (10" x 18" x 19" in.)
- Power
Source:--------------- Internal Batteries
(two 12V sealed rechargeable lead/acid) or
Auxiliary Pack
- Charge
Voltage:------------- 0 to 10 kV
- Capacitance:------------------
7 uF
- Max
Energy:------------------- 350 J per pulse
- Output
Current:-------------- 12.5mA for Hi-Pot Mode
- Hi-Pot
Voltage:--------------- 0 to 10 kV
- Output
Cable Length:----- 12M (40ft) or 4.5M (15ft)
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the complete Fault Wizard
brochure including technical specifications. |
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