Probemart.com | Probes, current sensors & calibration sources for pulsed-power testing

Bookmark Bookmark
Home > Products > Instruments
Hangzhi high-current sensor AIT series ( Hangzhi Catalog
Hangzhi high-current sensor AIT series (1500-10000A)50ppm high-precision
  • Hangzhi high-current sensor AIT series (1500-10000A)50ppm high-precision

Hangzhi high-current sensor AIT series (1500-10000A)50ppm high-precision

Brand: Hangzhi

Origin: China

High-current--1500A-10000A high-precision--accuracy: 50PPM zero drift --zero 2PPM temperature consistency -- deg: 1PPM/10 measurement -- product range 10-100% accuracy AC/DC general-purpose-- AC, DC, pulse current
Overview


The Hangzhi high-current sensor is a current measurement and feedback component that applies a multi-point zero-flux technology system on the basis of existing high-precision DC sensor technology and combines closed-loop excitation-flux control, self-oscillating fluxgate technology, and multi-loop control to achieve zero-flux closed-loop control of excitation flux, DC flux, and AC flux; by constructing a high-frequency ripple sensing channel, it detects high-frequency ripple, so that the sensor has relatively high gain and measurement accuracy over the full bandwidth.






        Product features:
 
                High accuracy—accuracy: 50PPM
                Low zero drift—zero drift: 2PPM
Low temperature drift and good consistency—temperature effect: 1PPM/10°C, ahead of the industry
        Wide measurement range—a single product maintains accuracy over 10-100% of its range
                Intelligent—on-load startup overload protection, self-recovery ahead of the industry
        AC/DC compatible—measures AC, DC, and pulse currents






Applications:

Energy storage PCS testing
• As a key part connecting the energy storage device and the grid, the PCS is the energy transmission channel of the energy storage system and is of great significance to the quality of delivered power. Its performance directly affects power quality; therefore, testing the energy storage PCS is very important.
• For high-precision measurement of the AC current on the AC grid-connected side of the PCS and measurement of the DC current on the DC side during battery charging and discharging of the PCS, the AIT high-current series can meet the testing requirements.


External short-circuit current of lithium batteries
• UPS loads are mostly nonlinear, and the UPS itself draws energy from the grid and is also a nonlinear load on the grid. Because the current waveform of a nonlinear load is severely distorted, the crest factor and total harmonic distortion of the waveform are important technical indicators that must be examined for a UPS. For measurement of nonlinear loads with severely distorted waveforms, ordinary electrical meters are difficult to measure accurately; the AIT high-current series high-precision current sensor, together with a high-precision power analyzer, can accurately measure non-sinusoidal waves and can perform continuous, fast, and accurate harmonic analysis.
• The UPS has three-phase input and three-phase output, with one DC channel in between; a 7-channel power analyzer is required for testing: three channels for input, three channels for output, and one channel for DC. The AIT high-current series high-precision current sensor can measure not only DC but also AC with high precision, making it the ideal choice for current measurement.


UPS power supply testing
• The external short-circuit test connects a lithium-ion battery to a fixed resistor, and the battery's charge is released through the resistor. The magnitude of the short-circuit current can be controlled by the size of the fixed resistor, from hundreds to tens of thousands of amperes. A large current will accumulate a large amount of heat inside the lithium-ion battery in a short time and may trigger thermal runaway of the lithium-ion battery. Whether the short-circuit test can be passed is mainly determined by the magnitude of the short-circuit current: the larger the short-circuit current, the faster heat is generated in the lithium-ion battery, while the heat dissipation rate of the battery does not change much; this means that more heat accumulates inside the lithium-ion battery and the temperature rises further, which may lead to serious problems such as separator shrinkage and short circuits between the positive and negative electrodes, and then cause thermal runaway of the lithium-ion battery.
• The AIT high-current series high-precision current sensor has a 200KHz test bandwidth and can accurately record the entire process of instantaneous short-circuit current changes, providing high-precision test data for battery R&D.


Centralized PV grid-connected inverter
• The PV grid-connected inverter is key equipment in a photovoltaic power generation system, and verification of its function and reliability is crucial to the stable operation of the PV power generation system and grid quality. During the R&D and design stage, the PV grid-connected inverter has many test items—anti-islanding protection test, overload protection test, overcurrent protection test, power factor measurement test, operating efficiency measurement test, and grid-connected current harmonic test—which place higher requirements on current sensors. The AIT high-current series high-precision current sensor, together with relevant test instruments, can well meet the above testing requirements.


Specifications


 

Product Model
Current Output Series
Primary Rated
Current RMS value
Overload capacity Power supply
Voltage
Secondary rated signal Accuracy Bandwidth
(KHz)
Aperture
(mm)

AIT1500-D50

±1500A ±1650A ±15V 1A 50 ppm 300 50

AIT2000-D90

±2000A ±2200A ±220V 1A 50 ppm 80 90/70

AIT3000-D90

±3000A ±3300A ±220V 1A 50 ppm 50 90/70

AIT4000-D90

±4000A ±4400A ±220V 1A 50 ppm 50 90

AIT5000-D160

±5000A ±5500A ±220V 1A 50 ppm 50 160/90

AIT6000-D120

±6000A ±6600A ±220V 1A 50 ppm 50 120/90

AIT8000-D120

±8000A ±8800A ±220V 2A 50 ppm 30 120

AIT10000-D120

±10000A ±11000A ±220V 2A 100 ppm 20 120/90


Expand Hangzhi high-current sensor AIT series (

* Specifications are subject to change without notice.