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9、HRWGS
Type Automatic Test Equipment for Anti-Jamming Dielectric
Loss |
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This
type of equipment is used for measuring the dielectric
loss and capacitance of condenser of the various
kinds of high voltage electric power equipment as
a substitute for the QSI electric bridge.
Main features: There are PT
inside and the high voltage standard capacitor
making the wire connection easy.
This equipment is made by adopting
the testing theory of photo coupling data sampling
and connecting the vector operation with the dephasing
and the inverse method. It can eliminate effectively
the disturbance in the electric field. It can
be used quite well on the spot and has the best
performance with the lower price among the same
type of production.
Key technical indexes:
High voltage output: 2kV、5kV、10kV
Measuring range: tgδ＜50% 30pF＜Cx＜60000pF
Measuring range of the dielectric loss: 0.1 ～100%
Resolving capability: tgδ: 0.01%
Degree of accuracy: tgδ2%±0.05%
Absolute error: tgδ0.03%
★HRWGS-Y Type
Integrated Precise Resistivity Detector for Oil
Medium Volume
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10、HRLF
Type High Degree of Accuracy SF6 Leak Detector |
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The instrument is the patented product
as the transformation from the achievements in scientific
research. It is the best SF6 leak detector equipment
in China. The equipment is endowed with the strengths
from Germany and Japan’s experience and overcomes
weaknesses. This instrument can be applied to the
leak hunting of the SF6 switches in the power supply
department, the SF6 high voltage switch gear factory
and the electric testing and researching institute.
It is also can be used as the assorted equipment
of the electric device and export product for the
SF6 high voltage switch gear factory.
Brief introduction:
HRLF-ID Digital High Precision SF6 Gas Leak Detector
is the optimization product of our company which
is latest upgraded and designed. It has the advantages
of the high sensitivity and stability. The testing
operation is simple, direct, fast and with a high
response speed. The search unit will never be
poisoning and cause poisonous gas. The high degree
of automatic instrument can display the gas strength
by liquid crystal screen which makes the reading
data more convenient and accurate.
When there is different strength of SF6 gas and
other halogen gas in the air, the ionized degree
of the mixed gas will be different under the effect
of the electromagnetic field of high frequency.
Application field:
This instrument is mainly applied for the leaking
finding of equipment and container which are filled
with the SF6 and other halogen gas in the ministry
of water conservancy and electric power, the manufacturing
engineering of electronic device, and the metallurgy
of iron and steel, the petrochemical industry,
the railway transportation, the mining industry,
the extinguisher apartment and the atomic physics
research institute.
The main technical parameter:
Range of measurement: （SF6）： 10-8 ～10-2 （volume
rate）
Time of response: no more than 3 seconds (10-4
gas)
Indication mode: digital numerical quantitative
indication and audio, optical signal
Length of the vacuum hose: 4 meters
Continuous working period: no more than 4 hours
Working condition:
Alternating current power: 220V±22V, 50Hz±2Hz
Environmental temperature: -5℃～+45℃
Relative humidity: no more than 85%
Electric power consumption: about 270W
Size (length, wide, height): 510×330×480mm
Gross weight: about 20kg
HRLH1 Series
mobile SF6 gas recovery inflatable devices
HRSF6 precision
SF6 gas discharge decomposition analysis Tester
SF6 gas HRPZH high-precision
analysis of the quality of the comprehensive test
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| 11、HRDWS
Type Minim Water Admeasuring Apparatus |
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Brief introduction:
The HRDWS-IIC Digital High Precision SF6 Minim Water Admeasuring
Apparatus is the new type instrument with a high degree
of automatic which belongs to the HRDWS-Ⅱseries. It is
made by adopting modern advanced digital measuring technique
and optimal gas circuit with producing experience for
many years. It has much improved the reliability of instrument
and the convenience of usage.
This instrument can be used continuously and discontinuously
for measuring the minim water. Compared with the other
kinds of water analysis methods, this instrument can be
a simply, direct and fast way for you to analyzing featuring
strong stability and good repeatability.
Application field:
This instrument is applied for air, nitrogen, argon,
hydrogen, oxygen, sulfur hexafluoride and the gases
which are not reactive with the phosphorus pentoxide.
It is also can be used to express analyzing, automatic
monitoring and exact measuring the water content in
the gas at the ministry of water conservancy and electric
power, the manufacturing engineering of electronic device,
and the metallurgy of iron and steel, the petrochemical
industry, the railway transportation and the mining
industry.
The main technical parameter:
Accuracy of measurement: ±5%
Measuring range:
200 Shelves：0～200×10-6 (Volume fraction)
2000 Shelves：0～2000×10-6 (Volume fraction)
Remarks: The range of 1000~2000 is not used for measuring.
Working condition:
Alternating current power: 220V±10%，50Hz
Environment temperature: -5℃～+45℃
Instrument inlet pressure: Rated inlet pressure: 0.02～0.12Mpa
Size: 360×260×150mm
Weight: about 6kg
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| 12、HRJFD
Type Digital Partial Discharge Detecting Analytic System |
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The HRJFD system has carried the ultrasonic
measurement to the local discharge of the hundreds of
transformers and reactor in Gezhou Dam 500kV switch station,
Wuhan Phoenix Mountain 500kV transformer substation, Shengyang
transformer factory, Hefei transformer factory, Hengyang
transformer factory, Guangzhou power supply bureau, Hunan
electricity generating board, Chongqing transformers factory
and Wuhan steel. This system has the advantage of operation
reliable and easy to operate. It can meet the needs of
measurement. As one of the key items of the of eight-five
project, this electrical device has been widely used for
the spot test and research in the related unit in the
north, east, central and northwest parts of China.
The system has functions of hundred-percent process controlling
mode and menu prompt in Chinese character. It can access
and print arbitrarily. It can automatically generate survey
reports and display two-dimensional and three-dimensional
local discharge atlases. It is made by adopting the skin
window technique and has a good capacity of resisting
disturbance. It takes the techniques of two channel measurement
and digital difference technique which is able to measure
the local discharge signal of two samples or the two testing
point of one sample. That is convenient for analyzing
the origin of the local discharge signal. This product
is the national key scientific and technological project
and the extension project of the ministry of electric
power. It has been tested in hundreds of transformers
such as the Gezhou Dam 500kV switch station, Wuhan phoenix
mountain 500kV transformer substation and Shenyang transformer
factory. It is reliable and easy to operate.
It is specially applied for measuring the local discharge
of the eclectic devices such as the transformer, the electrical
motor, the mutual inductor, the capacitor, the cable,
the GIS, the switches and the lighting arrester. The performance
is complied with the standard of IEC-270 and GB7354. It
has the hundred-percent Chinese software and the menu
mode operation. The measurement and analysis of the local
discharge graph data can be arbitrarily accessed and printed.
It has two channels and can produce test report automatically.
It has many colorful display modes those are ellipse,
straight line, two-dimension and three-dimension.
Detection sensitivity: 0.5pC
Measuring frequency bandwidth: 1-200 kHz
Gain dynamic range: above 120dB
Sampling precision: 8 bit ±1/2LSB
The whole equipment also includes the mainframe, display
and print. (It’s not including the voltage part)
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HRJFD
Type On-Site Digital Partial Discharge Detecting Analytic System |
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This
system is specially applied for the field and spot check work
in the electric equipment manufacturer, electricity generating
and supplying department, electrical power construction, electrical
installation and debugging construction enterprises. It is very
convenient for measuring and fixing the database which is easy
for further analysis and management.
Technical parameter:
Measuring channel: two channels
Detection sensitivity: 0.1PC
Measuring frequency range: 3dB bandwidth 10kHz~300 kHz
Cell-type filter setting stage:
Low end 10，20，40kHz
High end 100，200，300kHz
Gain dynamic range: 120dB
Synchronizing frequency: 50,100,150,200 or any Hz
Standard pulse generator: HRJFD-301
Full sized pulse voltage: 10V，5V，2V，1V，0.5V，0.2V (adjustable)
Calibration capacity: 50pF, 200pF (adjustable)
Working power supply: AC220V±10%，50Hz
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※The
Technique File of HRJFD Type On-Site Digital Partial Discharge
Detecting Analytic System |
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HRJFD-2A
Type Local Discharge Ultrasonic Automatic Positioning
Device
The failure testing and positioning
of operating the medium and large sized transformers have
always been the points that electrical engineers focus
for a long time. The HRJFD-2A system, manufactured in
the large-sized transformer local discharge ultrasonic
position method and equipment research subject which is
one of the national key scientific and technological project
has provided an effective solution.
The HRJFD-2A system has carried the ultrasonic measurement
to the local discharge of the hundreds of transformers
and reactor in Gezhou Dam 500kV switch station, Wuhan
Phoenix Mountain 500kV transformer substation, Shengyang
transformer factory, Hefei transformer factory, Hengyang
transformer factory, Guangzhou power supply bureau, Hunan
electricity generating board, Chongqing transformers factory
and Wuhan steel. This system has the advantage of operation
reliable and easy to operate. It can meet the needs of
measurement. As one of the key items of the of eight-five
project, this electrical device has been widely used for
the spot test and research in the related unit in the
north, east, central and northwest parts of China.
The HRJFD-2A ultrasonic positioning system which is including
the high performance computer, high-sensitivity local
discharge sound probe, programmed amplified filter, high-speed
A/D transducer, transient waveform recording, signal analysis
and fault location software is applied for acquiring,
measuring, analyzing, positioning and spot observing the
local discharge ultrasonic signal in the large-sized transformer,
oil-immersed high voltage electrical apparatus and the
GIS electrical operation equipment.
The HRJFD-2A ultrasonic positioning system can position
the fault and the error is less than 250mm. The whole
measuring system can find out the local discharge ultrasonic
signal which is less than 1000pC.
Functions and characteristics:
(1) Making the detecting operation of local discharge
ultrasonic more convenient and the analyzing more simple
under the platform of the windows.
(2) Making the signal acquired more reliably for the ultrasonic
sensor has the performance of low noise, high-sensitivity
and anti-jamming.
(3) Making the spot testing more flexible with the local
discharge ultrasonic signal electrical-acoustical position
and acoustical-acoustical position functions
(4) Making the result of the position more precisely by
choosing freely the spherical position calculation and
the hyperboloid position calculation of the ultrasonic
signal.
(5) Showing the position coordinates by ultrasonic probe
and the locating point by solid geometric drawing.
(6) Convenient for building the measuring and positioning
database for further analyzing and managing.
(7) Be the local discharge on-line detecting instrument
which is useful for detecting the local generating and
developing.
Technical parameter:
The sensitivity of the ultrasonic probe: -150dB
A/D conversion accuracy: 8bit±1/2LSB
Sample length: 32k/channel
Minimum detectable discharge:＜50pC (laboratory)＜300(1000)pC
(spot)
Minimum positional error:＜50mm(laboratory)＜ 250mm (spot)
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| 13、HRGKC
High Voltage Switch Mechanical Features Tester |
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| This tester
is used to measure time, speed and process of the overstuffed,
oil-minimum breaker, vacuum and SF6 high voltage switch
and high-voltage circuit breaker. It is also can be used
to measure the closing and trip time, the bounce time,
the reclosing time, maximum speed and the average speed
of the high-voltage circuit breaker. It has the function
of the liquid crystal display and print as well as the
menu prompt operation.
The main characteristics: The measuring vacuum switch
doesn’t need to put into the process. It can be tested
directly and sensor can be easily installed.
Main technical target:
Maximum speed measurement: 7m/s
Inaccuracy of measurement: 0.01m/s
Maximum haul cycle: 600mm
Inaccuracy of measurement: 1mm or 0.5mm
Maximum time: 999.0ms
Inaccuracy of measurement: 0.1ms
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| 14、HBZDC
Type Vacuity of the Vacuum Switch Measuring Instrument |
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| This instrument
is made by adopting the latest excitability flexible circuit
conductor to measuring the vacuity of the vacuum switch
automatically without the unloading. The operation is
simply and reliable. It can be used in many kinds of vacuum
tube.
Performance and characteristics:
(1) It can quantitatively measure the vacuity of the
vacuum tube as much as 35 curved shapes.
(2) It has the function of leaking detecting.
(3) The useful time can be speculated from the historical
data.
(4) The internal of the instrument has been stored the
arc extinguish chamber. You can read directly without
unloading.
(5) The band and surface type printer can put out the
printer.
(6) This series has been divided into two kinds of instruments
which are loading and unloading.
(7) The unique function: The instrument can judge the
three situations of the vacuity which are eligible,
declinable and fully leakiness.
Range of measuring: 0.000001～0.1pa
Output voltage: AC 220V 50Hz
Input Power: High voltage output: Pulsed voltage: 30kV,
15 kHz
Inaccuracy of measurement: ＜10%
Measurement resolution ：10-5pa
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| 15、HRLGT
Type Portable Cable Fault Locator |
This
is used for locating various faults of the cables for
the city cable, high frequency communication cable, buried
cable and medal overhead cable line. The faults include
open circuit, short circuit and poor contact. It also
can be used to telemetry the position of the fault, including
the leak grounding, wire breaking and poor contacting.
The instrument adopts many testing methods and the most
advanced electron technology fruits as well as the computer
technology and the microelectronic technique. It has a
high degree of intelligent, a full function, a large range
of use, an accurate testing, a convenient operation and
alternating-current power or direct current power source.
It is especially suitable for testing different types
and grades voltage cables.
★The
Technique File of the HRLGT (DMDL) Intelligent Cable Fault
Locator
★The
Technique File of the HRLGT (JKDL) Intelligent Cable Fault
Locator |
Main
Technique parameter:
(1).The farthest testing distance: 32 km
(2).The detecting blind area: 1m
(3).Resolution reading: 1 m
(4).Power dissipation：5VA
(5).Weight:2kg
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| 16、HRWG
Type Transmission Line Fault Distance Tester |
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tester is used to measure the distance between the fault
point and the measuring point when the permanent earth
or turnoff happened in the overhead transmission line.
It is applied for the 35kv and the voltage grade above.
You can tell the fault distance exactly only by examining
and fixing the fault line in the transformer substation
when the fault happens. It is very convenient for the
maintainer to look up the fault quickly and shorten the
emergency repair.
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Main
Technique parameter:
(1).Range of measuring: 1-100km
(2).Inaccuracy of measurement: ≤1%
(3).Output mode: 8 bit LCD display
(4).Electric power source: internal-mounted 12V3AH storage
battery
(5).Working hours: 6 hours
(6).Working temperature: 0～40℃
(7).Humidity level: RHD30～95% |
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