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NA23 Lightning impact peak voltage meter

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
NA23 Type Impulse Peak-Voltmeter
Also name
NA23 impact peak voltage table, the impact pulse peak voltmeter, the impact of the peak ammeter, the impact of the peak table, the peak pulse voltage meter, pulse peak ammeter
Introduce of NA23
NA23 Impact Peak Voltmeter for measuring and storing impulse voltage peaks, peak impulse currents, and other single pulse peaks. An internal calculation unit allows the peak of the voltage divider to be displayed directly in units of kV. Display range from 0.1kV to 16000kV.
The tester designed for use with high pressure laboratories. Use of special wiring, shielding, filtering and over-voltage protection circuit to a high degree of attenuation of electromagnetic interference.
Measuring range
The measuring cable is connected to a low voltage arm or a high current shunt of an impulse voltage divider (resistive or capacitive type device). For measuring the voltage divider (shunt), the impulse peak voltmeter will introduce a load of 2M次 // 39pf. If necessary, for example, in the case of a resistive shock divider, a 75次 (or 50次) matching resistor can be added to one of the two inputs of the table. The maximum permissible pulse voltage of the device is 1600V. Measured values are displayed directly in 5 digits, in kV.
The device is different from the current commonly used impact peak table is characterized by: measuring voltage range without manual switching, and by the device automatically switch. Positive and negative polarity is automatically displayed on the display.
Main data of NA23
Pulse voltage display range: 0.1kV ~ 16000kV.
The maximum pulse voltage peak is 1600V.
Voltage measurement accuracy: error ≒ 1% ㊣ 0.1V.
Partition ratio setting: 0.1 ~ 9999.9.
Sampling rate selection: 40M / 20M / 10M / 5M / 2.5M / 1.25M / 0.6125M / 0.30625M, corresponding time unit: 1.5us / DIV, 3us / DIV, 6us / DIV, 12us / DIV, 24us / DIV, 48us / DIV, 96us / DIV, 192us / DIV, 384us / DIV, 768us / DIV. Recommended 4/10 Waveform Select 3us / DIV, 8/20 Waveform Select 6us / DIV, 2ms Waveform Select 384us / DIV.
Or 768us / DIV.
When the 400V range is selected, the voltage scale is 50V / DIV or 25V / DIV or 10V / DIV. The instrument is set automatically. When the 20V range is selected, the voltage scale is 2.5V / DIV or 1.25V / DIV or 0.5V / DIV.
Dimensions: 490 ℅ 130 ℅ 300mm3.
Weight: 4kg.

high and low voltage switchgear power test bed

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
Main Features
NAKGT high and low voltage switchgear power test stand for the production of high and low voltage switchgear manufacturers of high and low voltage switchgear factory before the power test. It can provide a variety of AC and DC power supply, easy to switchgear detection, to check the equipment normal or not, improve work efficiency.
With low loss, small size, light weight, compact structure, easy to use and so on. Applicable to power systems, research institutes, large factories and mines, testing a variety of high and low voltage electrical equipment, such as AC-DC power test and the performance of insulating materials. Such test equipment may also be specially designed and manufactured in accordance with the requirements of the user.
Technical Parameters
Input power: three-phase four-wire AC380V
Output voltage and current:
1, three-phase AC 0 - 10A output (<100V, adjustable value> a group
2, three-phase AC100V output (fixed value) a group
3, AC operating voltage output AC 0 ~ 400V, 220V, the current is less than 10A
4, DC operating voltage output DC 0 ~ 260V, 10A
5, DC switching power supply output DC 0 ~ 300V a group
6, single-phase AC220V output (fixed value, socket form) two groups
7, three-phase AC380V output (fixed value, terminal) a group
8, Dimensions: 560 * 520 * 850mm
9, Weight: 55kg

Three-Phase AC and DC calibration meter power supply

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
Overview
NAGKT-III-type three-phase AC and DC calibration table (three-phase four-wire system) is a new generation of portable table meter integrated meter calibrator. The product has the appearance of the United States, full-featured, excellent indicators, high reliability, simple operation and so on. Phase table, power factor meter, frequency table, synchronization table, single-phase power meter, three-phase active and reactive power meter, phase table, power factor meter, frequency meter, All kinds of energy meter.
Main function and characteristic
1, DSP-based digital signal synthesis and data acquisition and processing technology, making the device output stable and reliable, high precision, excellent indicators. Device class 0.1.
2, the output AC (three-phase) voltage, current, DC voltage, current
3, voltage, current range can be set according to the table under test, automatic shift.
4, the table source of one, with power, frequency, phase, power factor and AC and DC voltage and current standards, without the need to reprovision the standard table manually or automatically check a variety of instructions Meter, error. During calibration, both primary and secondary values can be displayed at the same time.
5, the calibration results can be stored, preview.
6, the configuration of a powerful computer management platform, through computer verification, transmission, printing and data management.
7, large-screen LCD display, pop-up menu in English and Chinese, the cursor any move to provide online help prompts, the operation is very simple, display rich content.
8, the device has an external software calibration.
9, load capacity, can be directly with 1uF capacitor (100V file)
10, multiple protection: power linkage protection, current limit protection, automatic power amplifier output off.
11, strict overload test, the shock test, misuse test, high-temperature aging test, the reliability of abnormal good.
12, use German standard chassis, small size, light weight, easy to carry.

NAGKT-I electrical instrument test bed

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
NAGKT-I electrical instrument test-bed
First. Overview
NAGKT-I digital electrical instrument calibration test bench (also called: digital multimeter calibrator, three-table calibrator) is a five-digit LED AC, DC standard voltage, current generator for Calibration digital meters, a variety of hands-meter and DC 0.2, the exchange of 0.5 below the various types of table head. (0 ~ 12M次); AC frequency of 50Hz, 60Hz, 400Hz (digital synthesis, the output voltage of the three-phase voltage range of 0 ~ Button to select). The above items and range conversion are converted by internal switches. Using the latest 16-bit A / D converter chip, conversion speed and accuracy has been greatly improved; AC / DC converter with true RMS value to ensure the accuracy of AC output; linearity is good. Using a new type of composite high-power amplifier, the output power of strong, high reliability, low distortion. Output adjustment using imported potentiometer, long life, high fineness regulation. The machine adopts "closed-loop control", the output stability is high. Voltage short-circuit, open current automatic protection, in full compliance with the new three table identification procedures.
Second, the working principle:
The instrument has a digital synthesis sine wave generator unit, power amplifier unit, power and protection unit, range unit, A / D unit, display unit, keyboard unit and standard resistors and other components.
Third, the technical performance:
2.1 Performance parameters:
Item Test Range Output Range Resolution Max Output
Accuracyㄗ23⊥㊣2⊥ㄘ
DC Voltage
500mV 0~550.00mV 0.01mV 100mA ㊣ㄗRead value℅0.05%+max data℅0.01%ㄘ
㊣(Reading value ℅ 0.05% + full scale value ℅ 0.01%)
5V 0~5.5000V 0.1mV 100mA
50V 0~55.000V 1mV 100mA
500V 0~550.00V 10mV 20mA
1KV 0~1050.0V 100mV 10mA

DC Current 500uA 0~550.00uA 0.01uA 2V ㊣ㄗRead value℅0.1%+max data℅0.02%ㄘ
㊣(Reading value ℅ 0.1% + full scale value ℅ 0.02%)

5mA 0~5.5000mA 0.1uA 2V
50mA 0~55.000mA 1uA 2V
500mA 0~550.00mA 10uA 2V
5A 0~5.5000A 100uA 1.5V ㊣ㄗRead value℅0.1%+max data℅0.04%ㄘ
㊣(Reading value ℅ 0.1% + full scale value ℅ 0.04%)
10A 0~11.000A 1mA 1.5V
AC Voltage 500mV 0~550.00mV 0.01mV 100mA ㊣ㄗRead value℅0.1%+max data℅0.05%ㄘ
㊣(Reading value ℅ 0.1% + full scale value ℅ 0.05%)

AC I 1mA not included

5V 0~5.5000V 0.1mV 100mA
50V 0~55.000V 1mV 100mA
500V 0~550.00V 10mV 20mA
1KV 0~1050.0V 100mV 10mA

AC Current 500uA
5mA 0~5.5000mA 0.1uA 2V
50mA 0~55.000mA 1uA 2V
500mA 0~550.00mA 10uA 2V
5A 0~5.5000A 100uA 1.5V ㊣ㄗRead value℅0.1%+max data℅0.01%ㄘ
㊣(Reading value ℅ 0.1% + full scale value ℅ 0.01%)
10A 0~11.000A 1mA 1.5V
Middle Data Resistace Display Data Power Accuracy
10次﹜24次﹜50次﹜100次﹜240次
500次﹜1k次﹜2.4k次﹜5k次
10k次﹜24k次﹜10k次﹜24k次
50k次﹜100k次﹜240k次﹜500k次﹜1M次﹜2.4M次 5M次﹜10 M次﹜24 M次

0.25W


㊣ㄗDisplay data℅0.1%+10m次ㄘ
㊣ㄗReading value℅0.1%+10m次ㄘ


2.2: AC distortion: less than 1%.
2.3: DC ripple factor: not more than 0.5%; current 10A not more than 3%.
2.4: Stability: the instrument warm-up after one hour, 1 minute output drift should be less than the full range of the basic range of ㊣ 0.05%, for precision measurements need to warm up 2 hours.
2.5: Overall dimensions: 480 ℅ 340 ℅ 134 (mm).
2.6: Weight: 10Kg.

NAHX series of high-voltage electroscope

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
NAHX series of high-voltage electroscope
Brief introduction
HV Detectors made by an electronic integrated circuit sound light indication, stable and reliable. With full circuit self-test function and anti-jamming features. NAHX series HV Detectors for electric inspection 220V-500V, 6kV, 10kV, 35kV, 110kV, 220kV, 500kV AC transmission and distribution lines and equipment, whether it is day or night, indoors or outdoors overhead line substation stations are correctly and reliably serve you, the electrical power system and the industrial and mining sectors necessary safety equipment.
Classification of NAHX series H.V Detectors
Accordance with the applicable voltage level can be divided into :0.1-10kVH. V Detectors, 6kV, 10kVH.V Detectors, 35kV, 66kVH.V Detectors, 110kV, 220kV,500kV H.V Detectors, 500kVH.V Detectors.
Can be divided according to type: NAHX-2 (green light Indication type).
Technical Parameters
(1) 6kV H.V Detectors
Effective insulation Length: 840mm; Handle length: 500mm; Section: 5; retaining ring diameter: 50mm; contact electrode length: 50mm
(2) 10kV H.V Detectors
Effective insulation Length: 840mm; Handle length: 500mm; Section: 5; retaining ring diameter: 50mm; contact electrode length: 50mm
(3) 35kV H.V Detectors
Effective insulation Length: 1400mm; Handle length: 500mm; Section: 5; retaining ring diameter: 50mm; contact electrode length: 50mm
(4) 110kV H.V Detectors
Voltage rating: 110kV; back state length: 200cm; stretched length: 60cm
(5) 220kV H.V Detectors
Voltage rating: 220kV; back state length: 300cm; stretched length: 80cm
(6) 500kV H.V Detectors
Voltage rating: 500kV; back state length: 160cm;stretched length: 720cm

automatic gas relay pressure relief valve test device

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
Features Tester Features
1, NALC type automatic gas relay test bed, using the latest embedded system control technology, integrated user's actual needs and introduced a new generation of gas relay test detection system. The system uses oil pump - flow meter continuous measurement method, respectively 耳25, 耳50, 耳80 mm diameter gas relay at home and abroad flow rate, volume and seal detection, and the experimental process without human intervention.
2, embedded PC system, the use of full-color touch display, the system can be simple and intuitive flow rate, volume, seal test-related operations, and edit the relevant test report printing, and can save the data at any time to access and print. As a result of embedded design, controlled by the PC, user-friendly, high degree of automation.
Product structure
1, the structural characteristics
(1) The external cabinet is made of cold rolling board, with the dimensions of 2400 ℅ 650 ℅ 1570mm (length ℅ width ℅ height), the total weight of the whole machine is 170kg;
(2) clamping device using a screw ratchet way to clamp the specimen;
(3) the tank is non-pressure structure, the side with a level gauge;
(4) A protective cover is provided at the installation position of the test piece;
2, electrical and control systems
(1) the working environment: -10 ~ +50 ⊥, relative humidity <85%;
(2) The main electric circuit adopts AC380V, the total power is 11KW;
(3) oil pump motor with AC380V, power 5.5KW;
(4) electric actuators AC220V / DC24V power control, power 0.25KW;
(5) control system uses AC220V / DC24V power control, power 0.25KW;
(6) oil heater: AC220V, power 5KW;
(7) with 19-inch full-color touch display, full Chinese and English graphic display, the process automatically by the system, without human intervention;
(8) the use of virtual projection mouse and keyboard. This technology for the two-dimensional projection imaging, in front of the touch screen work surface, the projection of a red and the size of the keyboard consistent with the virtual projection keyboard, the operator can use the keyboard to edit the contents of the test report. Operators can also use this keyboard shortcut to complete the keyboard and mouse to switch, and through the shortcut keys on the virtual keyboard to close the projector mouse and keyboard, and then open the fixed gesture.
(9) embedded PC system can be intuitive on the heavy gas flow, light gas volume, seal detection of individual and integrated projects to operate, and at the same time edit the print test report;
(10) PC system installed by our own independent development, with full intellectual property rights of professional measurement and control software, and can implement network remote system upgrades and maintenance.
(11) Remote technical support: If the site operator needs technical support, the equipment only needs access to the peripheral network, and the remote end technical personnel can remotely control the equipment and upgrade the equipment software.
Main technical performance
1, the measurement range
(1) heavy gas flow detection
?????朴25 mm diameter of the flow rate range: 0.6 ~ 3.9m / s;
?????朴50 mm diameter of the flow rate range: 0.6 ~ 3.0m / s;
?????朴80 mm diameter of the flow rate range: 0.6 ~ 2.0m / s.
(2) light gas volume detection
?????Detection range: 0 ~ 950ml.
(3) seal detection pressure and time range
?????Seal detection pressure range: 0 ~ 250KPa;
?????Seal detection time range: 0 ~ 60min.
2, precision
(1) flow rate detection accuracy: 1.5 [factory standard 1.0];
(2) flow meter accuracy: 0.5 [factory standard 0.2];
(3) repeated gas flow rate detection error:
?????朴25 mm diameter of the flow rate ㊣ 0.05m / s ▽Factory standard ㊣ 0.04m / s▼;
?????朴50 mm diameter of the flow rate ㊣ 0.04m / s ▽Factory standard ㊣ 0.03m / s▼;
?????朴80 mm diameter of the flow rate ㊣ 0.02m / s ▽factory standard ㊣ 0.02m / s▼.
(4) the number of heavy gas flow display digits: 0.00m / s;
(5) light gas volume repeat detection error: ㊣ 10ml;
(6) light gas volume display digits: 0.00ml;
(7) Seal repeat detection error: ㊣ 2.5Kpa;
(8) Sealed display digits: 0.00Kpa.

high-voltage circuit breaker simulation device

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
NAMDQ high-voltage circuit breaker simulation device
(also known as double-hop high-voltage circuit breaker analog device)
Product features and usage
NAMDQ uses domestic original compound arc suppression circuit (electronic arc extinction + mechanical arc), greatly improving the device life and stability. At the same time double-hop high-voltage circuit breaker analog devices using large-scale field programmable gate array, with the protection of the principle of manufacturing power electronic devices, tripping coil in an independent dual-loop design, can simulate the voltage level 6-750KV three-phase and phase Operation, single trip coil or double trip coil circuit breaker action behavior for power systems, industrial and mining enterprises, research institutes, professional institutions, the protection of manufacturers use, as a relay protection and automatic devices with the entire group of transmission test drive system The actual circuit breaker replacement equipment, action accurate, reliable, unlimited number of actions can greatly improve the correctness and integrity of the test, to minimize the number of actual circuit breaker action and improve service life, is the relay protection test work Of the important ancillary equipment. NAMDQ exterior structure for the portable use of engineering plastic waterproof chassis, suitable for field test use.

transformer variable ratio of entire inspection device

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
Overview of NAZJX
"NAZJX transformer ratio of the entire inspection device" (referred to as "variable") is used to test 0.1 and below transformer ratio tester than the accuracy and resolution of a device, and can test variable ratio group tester In the group test when the variable ratio accuracy and the accuracy of various groups of choice, and includes Z-shaped group.
First, the principle of structure
Instrument A, B, C, respectively, for three-phase input, junction ratio of the primary side of the tester, a, b, c for the three-phase output, connected to the secondary side of the tester. Function switch is a function selector switch, you can select the four functions of the measurement. The selector switch is used for group selection. This switch has a selection function for different groups of three-phase PTs, and a Z-shaped group can be selected. X, Y, Z, x, y, z, a ,, b ,, c ,, x ,, y ,, z, is used in verifying the accuracy of the standard transformation PT and the standard three- In addition, there is no other purpose, but not short of each other.
Second, use range of this tester
When used, A, B, C, a, b, c and variable ratio group tester connected to the corresponding terminal, A, B, C for the input voltage side button, a, b, c for the secondary output voltage side button. Function selector switch has four kinds of function selection, when it is placed in a function file, the "variable inspection" can only change the ratio of the group tester to test this function.
K1 and K2 are the group selection switches, and K2 and K3 are the Z group selection switches. The groups selected at this time are determined by the values in K1, K2 and K3 according to the "group switch selection table" given on the panel Do not state.
There are two resolution selection switches, that is, after the decimal point of two digits and three digits of choice. As a resolution test, the fractional part of the display should be the product of the standard value and the magnification, the two parts can be superimposed on each other, and the integer part always shows 25.
Third, performance indicators
1. Variable ratio test function
The presettable ratio values are:
220/6, 220/10, 220/6, 110/35, 110/10, 110/6, 35/10, 35/6,35/4, 10/10, 10/6, UAB / Uab value of the above-mentioned 20 kinds of options, this time, UAB rated voltage of 400V (1), UAB / , The device can work in the rated voltage of 20% to 120%, the secondary voltage Uab can bear 100K次 or more load, which requires the test variable ratio tester secondary input impedance ≡ 100K次, then the standard variable ratio Of the error is less than 0.02%.
2. Resolution test function
When the function selector switch is set to "Resolution", it can test the resolution of the value displayed by the ratio tester, and the "check" can preset 25.001, 25.002, ... 25.099, 99 values for testing various variable ratio When the resolution of the tester is used, the error is not required in the resolution test, but when the test is changed to the resolution of the tester, the display value of the ratio tester should change obviously with the increase or decrease of the resolution.
3. Group test function
"PT" will be the standard three-phase PT by a star, the second star or triangle and a triangle, the second star or delta connection composed of 12 groups, variable ratio group tester can be all groups , And the test values of the standard three-phase PTs are 25 (10 / 0.4), 87.5 (35 / 0.4), 1050 respectively. The single-phase errors of the standard three-phase PTs are all less than 0.1%.
4.Z-shaped group test function
There are 10 groups (→ / Z or Y / Z) in the Z-shaped group. The other performance indexes are the same as the above "group test function".
5. Through test function
This function is to connect the primary voltage UAB of the ratio tester directly to the secondary end (a, b terminal), that is UAB = Uab, can carry on the 1/1 self-calibration of the variable ratio tester, pay attention not to Variable ratio test instrument used in the test.

transformer variable ratio of entire inspection device

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
Overview of NAZJX
"NAZJX transformer ratio of the entire inspection device" (referred to as "variable") is used to test 0.1 and below transformer ratio tester than the accuracy and resolution of a device, and can test variable ratio group tester In the group test when the variable ratio accuracy and the accuracy of various groups of choice, and includes Z-shaped group.
First, the principle of structure
Instrument A, B, C, respectively, for three-phase input, junction ratio of the primary side of the tester, a, b, c for the three-phase output, connected to the secondary side of the tester. Function switch is a function selector switch, you can select the four functions of the measurement. The selector switch is used for group selection. This switch has a selection function for different groups of three-phase PTs, and a Z-shaped group can be selected. X, Y, Z, x, y, z, a ,, b ,, c ,, x ,, y ,, z, is used in verifying the accuracy of the standard transformation PT and the standard three- In addition, there is no other purpose, but not short of each other.
Second, use range of this tester
When used, A, B, C, a, b, c and variable ratio group tester connected to the corresponding terminal, A, B, C for the input voltage side button, a, b, c for the secondary output voltage side button. Function selector switch has four kinds of function selection, when it is placed in a function file, the "variable inspection" can only change the ratio of the group tester to test this function.
K1 and K2 are the group selection switches, and K2 and K3 are the Z group selection switches. The groups selected at this time are determined by the values in K1, K2 and K3 according to the "group switch selection table" given on the panel Do not state.
There are two resolution selection switches, that is, after the decimal point of two digits and three digits of choice. As a resolution test, the fractional part of the display should be the product of the standard value and the magnification, the two parts can be superimposed on each other, and the integer part always shows 25.
Third, performance indicators
1. Variable ratio test function
The presettable ratio values are:
220/6, 220/10, 220/6, 110/35, 110/10, 110/6, 35/10, 35/6,35/4, 10/10, 10/6, UAB / Uab value of the above-mentioned 20 kinds of options, this time, UAB rated voltage of 400V (1), UAB / , The device can work in the rated voltage of 20% to 120%, the secondary voltage Uab can bear 100K次 or more load, which requires the test variable ratio tester secondary input impedance ≡ 100K次, then the standard variable ratio Of the error is less than 0.02%.
2. Resolution test function
When the function selector switch is set to "Resolution", it can test the resolution of the value displayed by the ratio tester, and the "check" can preset 25.001, 25.002, ... 25.099, 99 values for testing various variable ratio When the resolution of the tester is used, the error is not required in the resolution test, but when the test is changed to the resolution of the tester, the display value of the ratio tester should change obviously with the increase or decrease of the resolution.
3. Group test function
"PT" will be the standard three-phase PT by a star, the second star or triangle and a triangle, the second star or delta connection composed of 12 groups, variable ratio group tester can be all groups , And the test values of the standard three-phase PTs are 25 (10 / 0.4), 87.5 (35 / 0.4), 1050 respectively. The single-phase errors of the standard three-phase PTs are all less than 0.1%.
4.Z-shaped group test function
There are 10 groups (→ / Z or Y / Z) in the Z-shaped group. The other performance indexes are the same as the above "group test function".
5. Through test function
This function is to connect the primary voltage UAB of the ratio tester directly to the secondary end (a, b terminal), that is UAB = Uab, can carry on the 1/1 self-calibration of the variable ratio tester, pay attention not to Variable ratio test instrument used in the test.

standard pure resistance lightning high voltage pulse impulse voltage divider

H.S CODE: 90241090
Model:

Export area:North America Central-South America ASIA Europe Africa Oceania

Introduction:
Functional overview
This equipment is equipped with high voltage pulse voltage divider, collecting high frequency and power frequency voltage signal, mainly used for lightning wave measurement, power system overvoltage (operating over voltage, ferromagnetic resonance overvoltage, series resonant overvoltage, etc.) and the system Frequency voltage.
The high voltage pulse divider will serve as a front-end component of the overvoltage on-line monitoring system, providing the relevant attenuator and connected to the overvoltage on-line monitoring system via a dedicated shielded cable for system overvoltage monitoring.
1. a high voltage side
A) a high voltage side of the installation: from the high voltage power grid bus access to the high voltage side of the high voltage arrester and with the high side of the high voltage side of the voltage divider to complete a high voltage side of the installation. The voltage divider is single phase, divided into A, B, C phase, single phase direct connection.
B) can collect high frequency and frequency of the voltage signal.
2. Secondary, measurement monitoring side:
A) secondary monitoring side wiring: the supplier is equipped with a good voltage divider measurement output interface connector, the supplier should be equipped with input attenuator interface connector, the middle is connected to the demand side of the measurement cable signal The attenuator of the line and the supplier forms the measurement loop. Intermediate connection of the measurement cable signal line must be armored flame retardant tape with the measurement cable signal line: coaxial 75-5-1 or 75-5-2 RF shielding cable. Anti-interference ability of the best. Secondary regulator side of the voltage divider Output port connector: Yes SL16 connector. Coaxial.
B) The voltage output of the secondary side of the voltage divider is 500V, and the voltage input to the data acquisition mechanism is 10V. The buffer (attenuator) needs to be installed.
C) Secondary output range: depending on the ratio of the partial pressure ratio. Ratio of large voltage is low, the ratio of small voltage high.
3. lightning high voltage pulse divider works:
Coupled pulse current signal.
Main technical data
1. High voltage pulse divider parameters
Rated voltage: 200kV (0 ~ 200kV) a high voltage side
Rated capacitance: 1000pF
Capacitance section: 1 section
Resistance and inductance: 0 ~ 30次, 0 ~ 20uH
Each section capacitance: 1000pF (MWF200kV ~ 1000pF pulse capacitor)
Square wave response: part of the response time is less than 100ns, overshoot less than 10%
Partition ratio: 400: 1
Secondary side of the measurement port Output voltage: 500V (0 ~ 500V)
Partition ratio Uncertainty (measurement accuracy): less than 1%
Installation type: indoor or cabinet installation requirements, synthetic silicone rubber casing insulation shell.
Long-term operation in the 10kV power grid to run, to meet the following waveform monitoring:
A. Standard lightning impulse full-wave voltage waveform
Wave head time: 1.2 ㊣ 30% 米s
Tail time: 50 ㊣ 20% 米s
Overshoot: less than 5%
Efficiency: no less than 90%
㊣ 1.2 / 50米s standard lightning impulse full-wave, the efficiency is greater than 90%.
B. Standard lightning impulse voltage waveform
Wave head time: 1.2 ㊣ 30% 米s
Overshoot: less than 5%
Truncation time: 2 ~ 6米s, electronic delay control
Efficiency: no less than 90%
Using the truncation device can produce truncation time 2 ~ 6米s lightning truncation, truncation dispersion is less than 100ns.
C. Standard operation shock full wave voltage waveform
Wave time: 250 ㊣ 20% 米s
Tail time: 2500 ㊣ 60% 米s
Efficiency: not less than 80%
㊣ 250 / 2500米s standard operating shock voltage wave, the efficiency is greater than 80%.
D. produces steep wave shock waveforms with steepness greater than 2500 kV / 米s
2. attenuator (buffer) parameter
500V / 10V (input / output)
Partition ratio: 50: 1
Attenuator for the voltage divider 10k ohm, to prevent the voltage is too high, can access the monitoring equipment to protect
Attenuator input and output port of the connector: are Q9 connector. Coaxial.
Coaxial connection connector and coaxial shield measurement cable frequency AC voltage and lightning impulse withstand voltage insulation level: ≒ 4kV.
Equipment size
Dimensions: 900Hx300Wx300L (mm), single weight: 15kg.
Installation size: 900Hx250Wx250L (mm)