Skip to content
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply
ITECH IT7800 Series High Power Programmable AC/DC Power Supply

ITECH IT7800 Series High Power Programmable AC/DC Power Supply

IT7800 series is built-in power meter and arbitrary waveform generator, which is able to simulate harmonics and other arbitrary waveform output. Users can choose single phase, three-phase, phase reversal, and multi-channel totally 4 output modes, with programmable output, and complete measurements, ITECH IT7800 series is designed for new energy, power electronics, research institutes etc. ITECH IT7800 3U high series of programmable AC/DC power supply, with power up to 15kVA, voltage ranges up to 350V L-N and 500V L-N. Users are able to increase output power up to 960kVA by configuring master-slave parallel. With intuitive LCD touch panel interface, users can be quickly familiar with the unit operation. With only 3U size, ITECH IT7800 programmable AC power source can reach both 15kVA for power and 350V L-N/ 500V L-N for voltage.

Model Options

ModelVoltageCurrentPower ResolvingSize
IT7806-350-90 350 V 90A 6kVA 0.01V/0.01A 3 u
IT7809-350-90 350 V 90A9kVA 0.01V/0.01A 3 u
IT7812-350-90 350 V 90A 12kVA 0.01V/0.01A 3 u
IT7815-350-90 350 V 90A 15kVA 0.01V/0.01A 3 u
IT7830-350-180 350 V 180A30kVA 0.01V/0.01A 6 u
IT7845-350-270 350 V 270A 45kVA 0.01V/0.01A 15 u
IT7860-350-360 350 V 360A 60kVA 0.01V/0.01A 15 u
IT7875-350-450 350 V 450A75kVA 0.01V/0.01A 27 u
IT7890-350-540 350 V 540A90kVA 0.01V/0.01A 27 u
IT78105-350-630 350 V 630A 105kVA0.01V/0.01A 27 u
IT78120-350-720 350 V 720A120kVA0.01V/0.01A 27 u
IT78135-350-810 350 V 810A135kVA0.01V/0.01A 37 u
IT78150-350-900 350 V 900A 105kVA 0.01V/0.01A 37 u
IT78165-350-990 350 V 990A165kVA 0.01V/0.01A 37 u
IT7803-350-30U 350 V 30A3kVA0.01V/0.01A 3 u
IT7805-350-30U 350 V 30A5kVA0.01V/0.01A 3 u

Features

  • Higher power density, 3U up to 15kVA
  • Master-slave parallel with current sharing technology, up to 960kVA, multiple units in parallel work as one
  • Voltage up to 350V L-N, 500V L-N
  • Output frequency: 16-2400Hz, programmable slew rate setting for changing voltage and frequency
  • Built-in single/3-phase AC power meter
  • Multi-channel function, single unit can connect/test up to 3 DUTs
  • 4 output modes: AC/DC/AC+DC/DC+AC
  • Choose single phase, three-phase, reverse phase output mode, to simulate 3-phase imbalance, 3-phase
  • Harmonics imbalance, split phase test, reverse phase sequence tests etc.
  • Built-in USB/CAN/LAN/Digital IO interface, optional GPIB / Analog & RS23
  • Comprehensive harmonics measurement and analysis, up to 50th
  • Harmonics, inter-harmonics waveform synthesizer, according to IEC 61000-4-13
  • Programmable output impedance, according to IEC 61000-3-3
  • Intuitive touch screen interface
  • Simulate arbitrary waveform output, support csv. file import
  • Built-in various waveforms
  • List mode simulates the power supply reproduction function to realize the simulation function of instantaneous power interruption
  • Provides various trigger input/output signals. When amplitude/frequency change, trigger signals can be generated to synchronously capture the current waveform of DUTs
  • Output 0-360 ° start/stop phase angle can be set
  • Surge/Sag function
  • Relay CTRL function, to cut off the connection between instrument and DUT
  • With professional software, set up programs comply with multinational security regulations and test conditions, to complete civil aviation electronics and IEC related standards testing

Application: Electrical performance test of industrial frequency converter.

3U/15kVA high power density

With only 3U size, ITECH IT7800 can reach both 15kVA for power and 350V L-N/ 500V L-N for voltage. Compared with conventional AC source, it saves a lot of space for users.

Background description: Inverter is a converter that converts fixed voltage and fixed frequency AC current into adjustable voltage and frequency alternating current, to achieve the purpose of speed regulation. It is widely used in fans, water pumps, AC motors and large-scale driving equipment. The range is from several hundred watts to several hundred kilowatts. The inverter test includes input electrical parameters, output electrical parameters, protection functions and conversion efficiency.

Solution: IT7800 can meet the test of high-power inverters up to 960kVA, and can simulate input three-phase imbalance, input voltage sag and other disturbance waveforms to verify the input stability of the inverter.

Master/Slave parallel

ITECH IT7800 series programmable AC power source can provide more power by using the master/slave parallel output function, with 64 units in paralleled, to achieve total output power max. 960kVA. IT7800 ac power supply comes with synchronous On/Off input and output signals, which ensures the synchronization of paralleling and ensures synchronous current sharing of multiple modules. After paralleling, not only all functions are retained, but there is no loss of accuracy. Make the construction of the power system faster, more flexible, and more economical, whether it is a stand-alone test or ATE system, it can be easily reached.

Intuitive touch panel design

The IT7800 series is equipped with a brand-new touch screen design, a simple and intuitive GUI interface, and the keyboard knob design allows users to perform tests directly and quickly. Users can choose different interface display styles, customize the parameter types and display positions of the page, and the user-friendly settings can meet various measurement needs in the test. The screen can display real-time voltage and current curves, up to 6 waveforms, users can perform instantaneous analysis without an oscilloscope, and save them.

Application: testing inductive, capacitive or resistive products:

- When testing inductive, capacitive or resistive products, there are certain leading or lagging characteristics of voltage and current.
- Using IT7800 series can not only display real-time data, but also select the desired waveform on the screen for visual observation. And through shortcut keys, save the picture to the storage disk of the peripheral device. It is convenient to perform secondary analysis on data and waveforms, making it easier and more effective to use.

Application: UPS test

- Test standard: YD-T 1095-2018
- Test equipment: IT7800 series high-power programmable AC /DC power supply, IT8600 series AC and DC electronic load.
- Test content: Adjust the AC input voltage and change it within the range specified by the standard to see if the UPS meets the indicators related to the input voltage change.

Multi-channel function

The multi-channel function of the IT7800 series ac power supply allows users to test 3 independent DUT at the same time without adding additional hardware configuration. In the traditional solution, 3 tests for the DUT, the user needs to configure 3 AC power supplies; and one IT7800 device can meet multi-channel testing requirements. For example, IT7815-350-90 rated power is 15kVA, can provide single-phase/three-phase 15kVA DUT test, can also meet up to 3* single-phase DUT test, one machine with multiple functions, fully improves the equipment utilization.

The output frequency can reach 2.4kHZ, the voltage or frequency output variation rate

The output frequency of IT7800 series is adjustable between 16-2400Hz, allowing users to set the voltage or frequency output variation rate by themselves, so that the voltage or frequency gradually reaches the set value in a regular manner. Therefore, it can verify the operating range of the product more accurately, and can also reduce the surge current when the DUT is turned on.

The output frequency of IT7800 series is adjustable between 16-2400Hz, allowing users to set the voltage or frequency output variation rate by themselves, so that the voltage or frequency gradually reaches the set value in a regular manner. Therefore, it can verify the operating range of the product more accurately, and can also reduce the surge current when the DUT is turned on.

Application- Surge current test

Measuring the surge current can evaluate whether the AC switch, rectifier bridge, fuse, EMI filter components exceed the allowable current value. Switch the loop repeatedly, and the AC input voltage should not damage the power supply or cause the fuse to blow.

Previous test solution Oscilloscope + sampling resistor (power and withstand voltage are large enough) Disadvantages: high cost, complicated wiring connection, secondary analysis is needed. ITECH test solution

Only with 1 unit IT7800 high power AC/DC power supply Advantages:
- The surge current value Ipeak can be directly obtained
- The voltage or frequency can reach the set value step by step on a regular basis, which can effectively reduce the surge current when the DUT is turned on and improve the test accuracy

AC, DC, AC+DC, DC+AC

The IT7800 series programmable AC power source has four output modes: AC, DC, AC+DC, DC+AC. It not only provides pure AC/DC output, but also can use AC+DC and DC+AC output modes to realize "AC output plus DC bias" And "DC output waveform with ripple", which cover a wider range of applications.

Harmonic analysis and simulation

The harmonic analysis function of IT7800 series includes voltage harmonic measurement and current harmonic measurement. In the harmonic mode, the voltage and current harmonic distortion factor (THD) and the phase difference of the harmonic to the fundamental wave can be tested. In addition, it can measure multiple harmonics, and the results are displayed in a list,histogram or vector diagram, making the test results easy to be seen. The harmonic simulation function of IT7800 series (single-phase harmonic/three-phase harmonic/three-phase harmonic unbalance) can simulate up to the 50th voltage harmonic

Built-in AC power meter

IT7800 series has built-in single-phase or three-phase AC power meter, which can measure various parameters, including voltage effective value, current effective value, output frequency, active power, power factor, etc. No additional power meter needed, it saves test costs and wiring connection time for users as well.

Trend analysis

IT7800 provides trend analysis function. Users can observe the trend over a period of time in detail, or observe the data at a certain moment in the current trend graph by sliding the vernier caliper. Up to 6 curves can be observed. The graphic display interface is colorful, allowing users to have an oscilloscope-like experience at the same time.

Sweep

The Sweep function can be used to test the efficiency of the switching power supply and capture the voltage and frequency of the maximum power point. Users can set the start voltage, end voltage, step voltage, start frequency, stop frequency, step frequency and single step time, so that the power supply voltage and frequency can be changed in a step-by-step manner. After the test, the voltage and frequency of the maximum power point can be displayed.

Single phase, three phase, reverse phase

The IT7800 series provides multiple output modes such as single-phase, three-phase and reverse phase, which can be selected by the user through the panel menu. By programming ,it can simulate three-phase unbalance, three-phase harmonic unbalance, lack of phase test, phase sequence reverse connection and other tests, which are flexible and cover more applications. At the same time, IT7800's reverse mode can also provide a high-voltage test solution. Its voltage can be increased to twice and the power remains 2/3. For example, if it is set to 350V, the actual output voltage can reach 700V after the reverse mode is selected

Application-Avionic power supply simulation test, power supply characteristic parameter test

When testing inductive, capacitive or resistive products, the aircraft power supply system is an important guarantee for safe flight. The steady-state characteristics of the power supply determine whether the power supply can provide the required electrical energy under normal, abnormal and emergency steady-state conditions.

- ISO1540:2006 IT7800 series can simulate three-phase voltage unbalanced output, harmonic synthesis output, voltage sudden change waveform output, frequency sudden change waveform output, and meet the test requirements of ISO1540: 2006.

- MIL-STD-704/GJB 5189-2003 The IT7800 series can simulate the AC/DC power supply system of the aircraft to verify the steady-state characteristics, power supply transient characteristics and compatibility of electrical equipment. The flexible master-slave parallel connection can meet the increasing power test requirements of large aircraft and still keep the accuracy and performance after parallel connection.

Use by: