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Shenzhen Yuchuang Technology Co., Ltd

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    3C7, Building D2, Huilongda Building, Shilong Community, Shiyan Street, Bao'an District, Shenzhen

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Programmable bidirectional communication source carrier system

NegotiableUpdate on 05/06
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Overview

The Kewell G9000N programmable bidirectional AC source load system is a four quadrant AC source load system with wide frequency, high power density, high precision, and high dynamics. Adopting the third-generation wide bandgap semiconductor device SiC design, an ultra-high power density design of 3U/25kVA has been achieved; The frequency supports 15-5000Hz output, which meets the requirements of higher frequency application scenarios and can simultaneously simulate abnormal power grid environments and various load characteristics. The G9000 series covers a wide range of testing fields such as optical storage, new energy vehicles, AC/DC charging piles, aerospace, scientific research institutions, and universities.

Product Details

Functional Description

Kewell G9000NProgrammable bidirectional communication source carrier systemIt has flexible operating modes, supports AC, DC, AC+DC output modes, and can independently set amplitude, frequency, phase, etc. Its output has multiple operating modes such as step, gradient, pulse, harmonic superposition/interharmonic mode, high and low voltage ride through, and feedback AC load; Programming data can be saved and supports import and export. In this mode, the output voltage, phase, amplitude, and frequency values can be set, with a minimum step size of 0.01V and 0.01Hz. The output mode can be set to three-phase linkage/three-phase independence/single-phase setting. Three phase linkage has the same voltage amplitude for each phase and a phase angle difference of 120 °;


可编程双向交流源载系统


LIST/PULSE mode

Equipped with multiple programming output modes such as LIST and PULSE, the PULSE mode provides single step or continuous voltage fluctuations, used to simulate power interference such asTransient voltage drop, instantaneous high voltage, gradual voltage drop, etc; LIST mode allows for the editing of more complex test waveforms, supporting 10 sets of work steps for editing. Each set can have 20 sequences, and the work steps can be set in a loop. At the same time, the waveform can contain both AC and DC, almost forming all desired signal waveforms. It can simulate various waveforms of voltage transients, interruptions, and variations.


High and low pressure crossing

G9000N Programmable Bidirectional AC Source Load SystemEquipped with high penetration, low penetration, and high low penetration joint testing functions, it can achieve single-phase, two-phase, three-phase and other crossing tests;


可编程双向交流源载系统


Harmonic mode/Interharmonic mode

In harmonic superposition mode, the harmonic amplitude of each voltage can be set to simulate abnormal power grid environments and test the power grid tolerance of the tested equipment.(2-100th harmonic superposition, can simultaneously superimpose 99 types of harmonics)


可编程双向交流源载系统


technical indicators

model

G9000N-25K-480-120

AC output

rated value

output voltage

L-N/0~480V , L-L/0 ~831V

output current

40A @ Three phase

120A @ single-phase

output power

25kVA

voltage

resolution

0.01V

precision

≤0.01%+0.05%F.S.

load regulation rate

≤0.05%F.S.

Source regulation rate

≤ 0.01% F.S. @ 10% change

Voltage distortion

< 0.3%@50Hz/60Hz

< 1%@15Hz~450Hz

current

resolution

0.01A

precision

0.1%+0.1%F.S.

peak

120A @ Three phase

360A @ single-phase

frequency

set the scope

15Hz~450Hz

resolution

0.01

DC output

rated value

output voltage

650V

output current

120A

output power

25kW

voltage

resolution

0.01V

precision

≤0.1%F.S.

load regulation rate

≤0.025%F.S.

Source regulation rate

≤ 0.01% F.S. @ 10% change

AC input

rated value

input voltage

342V ~528V

input frequency

47 ~63Hz

phase

3 phases and 4 wires

input current

47.3A

power factor

0.99

Load parameters

voltage

input voltage

30-480V

display resolution

0.01V

display precision

< 0.1%+0.1% F. S.

current

input current

120A single-phase 40A @ three-phase

Set resolution

0.01A

display resolution

0.01A

Current accuracy

< 0.2% + 0.2% F. S.

frequency

frequency range

15-200Hz

display resolution

0.01Hz

precision

0.01%

power

input power

25kVA

Set resolution

1VA

display resolution

1VA

precision

< 0.4% +0.4% F. S.

power factor

scope

-1~ 1

Set resolution

0.001

Peak factor

scope

1.414 ~5

resolution

0.001

resistor

scope

0.333-389 Ω single-phase