MRD196-H Grounidng Fault Locator (small size)

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Product Description:

 

Quick Details

Place of Origin:

He BeiChina (Mainland)

Brand Name:

CNBM

Model Number:

MRD196-H

Weight:

2kg

Measurement range:

10km

Testing accuracy 1:

distance < 1km test error ≤1m

Testing accuracy 2:

distance > 1km test error ≤0.5%

Testing blind point:

<10m

Charging time:

4 hours

Continuous operating time:

10 hours

Dimension (mm)::

235*190*110

Web:

 

Brand:

CNBM

Packaging & Delivery

Packaging Detail:Carton
Delivery Detail:5-7 DAYS

Specifications

MRD-196H series fault wire location device of low current adpots 80C 196 single-chip mirocomputer for analyzing, applicable to 0.38KV~66KV power system of unground or ground via arc-suppression coil as well as via neutral ground resistor. No matter metal grounding, gap grounding, arc flash grounding or accompanied ferromagnetic resonance grounding, it could accurately locate the grounding wire without limit to wire-out way (over-head line or underground cable line) 

 

Introduction 

 

TM500 Power Cable Fault Locator adopts international advanced electronic testing technologies and SCM technology, and combines low-voltage pulse reflection and pulse current testing methods, is suitable for the precise range finding of power cable high resistance, flashover, disconnection, and low resistance.

 

Low-voltage pulse reflection method applies to test the range of the low resistance and broken line, and the length and wave velocity of various cables. Pulse current testing method can be divided into breakthrough high-voltage flashover and DC high-voltage flashover for the high resistance and flashover cable fault finding.

 

 

Features

 

1.Combines low-voltage pulse reflection and pulse current testing methods, is suitable for the precise range finding of power cable high resistance, flashover, disconnection, and low resistance.

 

2.With high degree of intelligence, it can automatically determine whether the failure point discharge or not and automatically calculate the fault distance.

 

3.Compare with the traditional flash measurement instrument, which use resistance and capacitance divider measuring pulse voltage signals, the current sensor tests the pulse current signals in the grounding line with simple and convenient wiring, and good security with isolation of high-voltage equipment and the electrical circuit.

 

4.High testing accuracy:

When the distance < 1km, the test error ≤1m

When the distance > 1km, the test error  ≤0.5%.

 

5.English menu, easy to master and use.

 

6.It can preserve 20 testing waveforms permanently, no loss after the shutdown, is a replacement of printer. With a clock logo, you can read waveform file easily.

 

7.Using a large LCD screen with backlight. Adjusting LCD display brightness through pressing keys.

 

8.Rechargeable nickel-metal hydride batteries, automatic charger management.

 

9.Small size, light weight, and portable design

 

 

Specifications

 

Measurement range: 10km

Testing accuracy:   distance < 1km        test error ≤1m

                       distance > 1km         test error  ≤0.5%

Testing blind point: <10m

Charging time: 4 hours

Continuous operating time: 10 hours

Power: 2W

Operating temperature:-10--+40 degree

Dimension (mm):235*190*110

Weight: 2kg

 

 

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Q:What is the meaning of the station control layer in the power system
Through a new layer, control layer mainly refers to the monitoring of plant level, for example in the substation monitoring system, sub station system. The station control layer equipment mainly refers to the monitoring station, engineer station, sub station information and so on. The spacer layer mainly refers to the relay protection and control, recording.
Q:What are the customer groups faced by power intelligent equipment
If the capacitor is connected in series on the line, the line reactance is compensated and the parameters of the circuit are changed. Series compensation can reduce the loss of line voltage, improve the terminal voltage level, reduce the power loss and power loss, and improve the transmission capability.4 power capacitors include phase shifting capacitors, electric heating capacitors, voltage equalizing capacitors, coupling capacitors, pulse capacitors, etc.. Phase shifting capacitor is mainly used for compensating reactive power to improve the power factor of the system; the electrothermal capacitor is used to improve the power factor of intermediate frequency power system; equalizing capacitor in parallel with the general circuit breaker on fracture pressure; coupling capacitor is mainly used in electric power communication, measurement, control and protection of transmission line the capacitor is used for pulse; pulse circuit and DC high voltage rectifier filter.
Q:Withstand voltage test, power equipment insulation unqualified reasons?
Test methods and voltage measurement methods are not correct. For example, when the transformer is tested, the non - Test winding is not connected to the ground, and the non - tested winding may be discharged to the ground. For example, the test of large capacity test, the voltage is still on the low side of the measurement, due to the capacitive effect, the actual increase in the voltage on the test sample over the test voltage, resulting in the breakdown of the subject matter, misjudgment is not qualified.
Q:The two devices of the power system have those
4, relay protection and automatic devices, such as relays, automatic devices, used to monitor the operation of a system, rapid response to abnormal and accident, and then acts on the circuit breaker, protection control.5, DC power supply equipment, such as storage batteries, DC generators, silicon rectifier, etc., to provide control and protection of DC power supply and DC load and emergency lighting, etc..6, high frequency wave blocking device.7, since the cast device.
Q:What are the lightning protection measures of power system
1 set up the lightning rod, 2 to reduce the grounding resistance. 3 set up the coupling ground wire, the 4 adopts the unbalanced insulation mode. 5 equipped with automatic reclosing. 6 to strengthen the insulation, the 7 installation line lightning arrester, barrier needle, 8 lightning protection grounding
Q:What are the power equipment which is used in the field of steam turbine
1 marine turbine2 heating turbineWidely used in petroleum, chemical industry, printing and dyeing, textile, cement, paper, sugar, etc....
Q:The problem of electric power equipment withstand voltage
The air is easy to produce ionization, so it is necessary to improve the insulation level and increase the gap of high voltage electrical apparatus
Q:What is the GIS in power system
GIS has the advantages of small footprint, high reliability, high security, maintenance workload is very small, the main parts of the maintenance interval of not less than 20 years.In the Three Gorges project, the left bank power station and the right bank power station has a 550 thousand volt GIS high voltage power distribution device. Left bank power station 550 thousand volt GIS and ancillary equipment in the upstream of the Deputy plant height of 93.6 meters GIS indoor. Main transformer and 500 thousand volt shunt reactor. GIS and the main transformer and shunt reactor with oil, six sulfur hexafluoride casing connection. Room GIS upper Deputy plant roof, layout of a GIS air, oil outlet pipe and open the trap, capacitor voltage transformer, lightning arrester, air outlet, six sulfur hexafluoride overhead line connected by the casing with these devices. GIS indoor type.Indoor GIS is hardly affected by atmospheric conditions. GIS overhaul cycle is generally 15 years or more, the Three Gorges power plant GIS main parts of the maintenance interval of not less than 20 years. And AIS or H - GIS, due to the impact of the external atmospheric conditions, the aging and damage speed, overhaul cycle is short and overhaul times.
Q:Two power equipment; I was engaged in a number of more than a few cabinets to know more about the two
The network equipment and the remote communication cabinet are responsible for the communication between the equipment and the background in the station and the communication with the electric power department
Q:What specific enterprises and units are used to test the power of the equipment ah
The other really did not ~ ~ ~ ~ ~What do you mean by electrical testing equipment??? High? Low?

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