Portable Three-phase Standard Meter is a portable reference standard meter used to test three phase meters and single phase meters, it designed to work both in the and in the laboratory.
The portable Three-phase standard power source is suitable for metering departments, power distribution terminals, power management, reactive power compensation devices and enterprise production.
Portable Three-phase Standard Meter is a portable reference standard meter used to test three phase meters and single phase meters, it designed to work both in the eld and in the laboratory.
Electrical equipments in modern industrial, commercial and residential users are more sensitive to power quality, and have a higher requirement of quality of power supply. Currently, harmonics,electromagnetic interference, power factor reduction have been tied to the three hazard of the power system.
When it is interfered or contaminated, grid power quality can t reach the national standards, so it has to be targeted on the grid power quality improvement. To understand the actual situation of power quality, you must have the appropriate equipment to test and analysis the actual situation. Counter the domestic condition, our company developed the professional power quality analysis instrument, which is suitable for the country.
3 phase handheld power quality analyzer Technical index
Insulating boots and gloves withstand voltage device is a power frequency power supply with low voltage working voltage of 220V/50Hz for insulating boots and gloves. According to the principle of electromagnetic induction, the input voltage is changed to the minimum value required for the test. high pressure. Insulating boots (gloves) withstand voltage test device generally consists of a special dedicated test box, an intelligent power frequency withstand voltage console, and a power frequency withstand voltage test transformer.
A special water tank can be customized according to needs to test 6-8 insulated boots or 6 insulated gloves at a time, and display the leakage current of the insulated boots or insulated gloves at the same time. The intelligent power frequency withstand voltage console is equipped with overcurrent protection and zero protection. Time protection and alarm function. The preventive voltage resistance test device for insulating boots and gloves is a special product developed and produced according to the needs of users according to the test procedures of insulating boots (gloves).
The selection has an automatic boost (buck) function, automatically reads the leakage current of each test product, the whole process is automatically completed, and the test data is automatically printed, which effectively solves the previous non-standard test methods, thereby simplifying .Simplifies the test procedure and improves the test speed. More reliable identification of parameters such as leakage current and power frequency withstand voltage of insulating boots (gloves). To ensure the safety of test personnel, it is an ideal pre-treatment of insulating boots (gloves) to protect power frequency withstand voltage test equipment.
Technical Parameters
Input voltage AC220V 50 Hz
Output voltage 0~30kV
Capacity 3kVA
Test number 3 pairs each time
Quality Gloves (insulating boots) test car: 80kg; power frequency withstand voltage test bench: 70kg
High pressure wireless phase detector is a dedicated test high-voltage nuclear phase tester based on national power industry standard norms and market demand, and high-voltage nuclear photographic applies to detecting the two-sided circuit breaker of the ring or dual power supply power network closed loop circuit breaker. Whether it is produced in the same phase.
Before the closed loop two power supply, you must perform a nuclear phase, otherwise a short circuit can occur, suitable for the 6KV 220KV transmission line with the electrical core, the sight can reach 200 meters, and the wall can be used, and it has a test function.
Wireless high pressure cores use wireless transmission technology, safe and reliable operation, easy to use, in line with national electric power safety equipment quality supervision and testing standards. Compared with the cable core, it is the main advantage that the lead wire connected to both grids power supply is removed, and the safety is used to improve the security in a manner that is not subject to any terrain and facility architecture.
Technical parameter
Phase difference
Error 5
Frequency accuracy 0.1Hz
The voltage grade measured by this product is 6kv 220kv
Transmission distance of the transmitter and receiving host
The digital millisecond tape RS232 communication interface is widely used in electric power, electronics, telecommunications, railway, transportation and electromechanical, mechanical and other departments. It is used to measure the electromagnetic contact, remote device, and automatic device various action time, action intervals, machinery. The contacts, contacts, power switch main contacts, time, three phases, interval, tensile interval, tensilate, slightly separation, interval between closures, hierarchics, tensile gain machine B contact, and Active pulse lines such as various band switches, lock switches, limit switches, and universal conversion switches are also available for sports, and measure the speed of the A point to the B point.
Technical parameter
Measuring range 0.0001 999.9999 seconds
Timing accuracy 0. 01 2 words
power supply AC 220V 10 50Hz
power 5W
input signal Mechanical air contact or electrical signal 5 20V
Reset method Manual or software clearing
Relative humidity 80 RH
Dimensions 195 175 80
weight 1.5 kg
Intelligent digital millisecond 1Intelligent digital millisecond
Frequency conversion series resonance test device is designed and manufactured for alternating-current withstand voltage test of Possessing a wider application scope, it is the ideal withstand voltage equipment for prefecture-level, municipal-level and county-level high-voltage test departements as well as power installation and repair & testing engineering units.
Frequency Conversion Series Resonance Test Device
Technical index
Rated voltage
Quality factor under full load in test of fire power generator Q 10 relating to load
Quality factor under full load in cable test Q 30 relating to load
Quality factor under full load in test of main transformer: Q 30 relating to load
GIS, the quality factor under full load in switch test and other tests Q 50 relating to load
Input power supply single phase of 380V
Frequency adjustment range 20Hz 300Hz
Accuracy of system measurement 1.5
The unit possesses protective functions, such as over voltage, over current and zero start.
Description for main configuration and technical data of equipment
One set of variable-frequency power supply
Rated power 10kVA;
Input voltage single phrase of 220V or three phase of 380V 10 and 45 65Hz
This Transformer control boxof console is suitable for adjustable voltage control of 0.5-10kVA test transformer.
Technical Indicators
Maximum capacity
20kVA
Input voltage
220kV
Output voltage
0-250V
Maximum output current
0-90A
Mains phase number
single-phase
Power frequency
50HZ
Instructions precision
1.5 Class
Using Methods and Attention Matters
1.Check the test transformer measuring winding rated output voltage, and make it match the operation box correctly.
2. Connect the line between test transformer and operation box according to the wiring diagram.
3. Switch on the power supply, then close the knife switch, and the power indicator light, finally set the work time of relay.
4. Make the pressure regulator display zero, press the start button, the clockwise rotation of the hand wheel, until it reaches the required value.
5. Start the timing switch, timing begins, the electric bell will alarm automatically when it reaches the setting time(artificially controlled time if there is on alarming function), then break off the timing switch.
Q&A:
What is the difference between a control box and a box-type transformer
The control box has only control functions. It is a control unit. Its main function is to issue instructions to control the rapid breaking of the circuit breaker in the box substation; it is a component in the box substation.
The box-type transformer generally refers to the box-type substation, which integrates the functions of power transformation, power distribution, control, and protection.
Cable check and cable, cable lookups are a bit a bit of arbitrary wiring no need to publicly line. It can greatly improve the construction progress, which is a new test tool in on site construction such as electricity, telecommunications, automation control.
The cable calibration equipment is based on the characteristics of foreign new types of wire tools, combined with the actual situation of China, using digital identification technology, making the test work simple and accurate.
Technical parameter
Parameter Display the maximum row of LEDs 1000, the maximum distance of the quilt is 40km 1.5mmmmmmmmma
size Transmitter Size 135 70 24MM Receiver Size 135 70 24mm
Function
The entire instrument consists of a transmitter and a receiver;
There is no need to determine the public line to make it easy to use
Wire recognition, distribution, application to a part of the wire or multi-heeled wire
One item can be identified, if you need to distinguish more wires can measure or use multiple instruments
Can determine whether there is a short circuit or disconnect between the wires
The receiver is also a disconnect detector that can be used to measure whether the wire is turned on
The hand held network packet analyzer is a hand-held smart substation optical digital network analyzer. It is a new product that relies on the rich on site debugging experience and user communication in and has been re designed. It is a substation and the daily maintenance, detection, commissioning, monitoring and analysis equipment of manufacturers. With a new test method, a complete feature gives you a new experience of intelligent substation efficient and convenient testing.
Technical parameter
Voltage current output accuracy Voltage current measurement accuracy The AC current is in the range of 0A-10A, error: no more than 0.01
The AC current is in the range of 10A-100kA, error no more than 0.03
Current resolution current is 0.001A in the range of 0A-100KA
The AC voltage is in the range of 0V- 100V, error: no more than 0.01V
The AC voltage is within 100V 1000kV range, error: no more than 0.03
Current resolution: current is 0.001V in the range of 0V-1000kV
Phase output accuracy Phase measurement accuracy The voltage current phase is in the range of 0-359 , the error is not more than 0.001 , the resolution is 0.01
Packet output synchronization Tester Different optical network ports packet output disabled time no more than 1s
UCA consistency test Test through UCA IEC61850, and obtain the test certificate
The digital three-phase shifter is a portable electrical tester composed of transformer phase shifter, digital phase display, voltage current digital display, output voltage adjustment, coarse adjustment, fine adjustment, and power supply, etc. The digital three-phase shifter combines the transformer phase phase technology with digital measurement techniques, which can be adjusted at any angle in the range of 0 to 360 , which has high precision, reading. Accurate intuitive, the voltage output is adjustable, the digital three-phase shifter structural components use independent fixtures, firm and reliable, full seals, easy to carry in the field and on-site use.
Technical parameter
Input voltage Three-phase four-wire 3 380 (220) V 50Hz
The output voltage Three-phase four-wire 3 (0 380) / (0 220) Triple semi-digital display, accuracy: level 1
Output current Communication 0 ~ 20A Triple semi-digital display, accuracy: level 1
Maximum output capacity 3 300VA
Three-phase coarse Ambient temperature: 0 360 Move 30 per step
1. 5 LED digitally display output by actual value or by percentage
2. AC/DC current output range: 0~100 uA ~500uA ~2mA~5mA~20mA ~50mA ~200mA ~500mA ~2A~5A~20A~30A(optional)~50A(optional)
3. AC/DC voltage output range: 0~200mV~1V~2V~5V~10V~20V~50V~100V~200V~500V~1000V
4. Three AC frequency for option: 50Hz 60 Hz 400 Hz
5. Auto protection or manual resetting function for over load
6. Over load rang is 10% for each level of voltage current
7. Clip-on transformer testing: matching with our product of standard coil measuring range AC 0~750A ( above 1000A for part of meters) DC 0~1000A error: ±0.3%
TKDL-II live cable identification instrument is used to identify A particular cable in the power cable setting migration maintenance and fault treatment to identify A cable in the cable. It has the characteristics of accurate fast simple operation and wide application. It is an indispensable testing instrument in cable construction and maintenance. The electric/uncharged cable recognition device USES single-chip microcomputer technology to encode and power the transmitting signal at the transmitting end which drives the large calibre calipers to coupling the signal to the live cable. The single chip in the receiver decodes and phase the received phase encoding signal. The target cable is identified from a large bundle of other cables based on the uniqueness of the signal phase characteristics on the target cable. It is a light compact compact lithium battery powered portable instrument. Suitable for all kinds of high and low voltage power cables.
1. Charged identification and un-charged identification function combined not only for identification and judgment of cable outage but also for the identification and judgment of live cables the operation is extremely simple very easy to use.
2. The instrument lithium battery-powered you can work continuously for 3 to 5 hours suitable for field use of passive field.
Transformer calibrator is a new automatic instrument. We apply advanced electronic technology in the design. By directly decomposing the error signal, it is able to display the percentage, phase error and orthogonal error statistically. It s quick and energy saving. And it s especially good for live testing due to its cute dimension and light weight.
The three-phase microcomputer relay control tester has a 4-phase voltage 3 phase current output, which is suitable for various types of relay protection devices. The microcomputer relay control tester uses a high-speed high-performance digital signal processor comparative speed, transmission frequency bandwidth, and software application bifurcation algorithm produces each of the respective high-precision waveforms. Due to the integrated structure, each part is closely coupled, the data transmission distance is short, and the structure is compact.
Technical parameter:
AC current output
Output accuracy Level 0.5
Phase current output (effective value) 0 40A
Three merge current output (effective value) 0 120A
Phase electric length time allows work value (effective value) 10A
Phase current maximum output power 420VA
Maximum output power at the maximum output of three 1000VA
Working time is allowed when the maximum output of the three mesh is output 10s
Frequency range (foundation) 20 1000Hz
Harmonic number 1 20 times
DC current output
Output accuracy Level 0.5
Current output 0 10A / each phase, 0 20A / two superimposed
Maximum output load voltage 20V
AC voltage output
Output accuracy Level 0.5
Phase voltage output (effective value) 0120V
Line voltage output (effective value) 0210V
Maximum voltage output value 0240V
Phase voltage / line voltage output power 80VA /100VA
Frequency range (fundamental) 201000Hz
Harmonics 1 20 times
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