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ALC5000 FEEDBACK POWER GRID SIMULATOR

Series:

Communication inverter variable frequency power supply

The ALC5000 series single/three-phase regenerative grid simulator uses pure digital PWM rectification technology, SPWM high-frequency pulse width modulation, and advanced direct digital frequency synthesizer (DDS) waveform generation technology. It has a full regenerative function, capable of feeding all input AC source energy back to the grid; it features a high input power factor, minimal grid pollution, high output waveform quality, and fast dynamic response speed. It can simulate grid voltage disturbances, frequency disturbances, and three-phase imbalances; it is applied to the new energy industry for grid-connected performance testing of products such as energy storage inverters, photovoltaic inverters, and charging piles.

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Product Features

◆ Adopts advanced direct digital frequency synthesizer (DDS) waveform generation technology, with high frequency stability and good continuity.

◆ Provides an embedded intelligent PC monitoring system.

◆ Output frequency 45.000-99.999Hz, with 0.001 Hz/10ms variable, easily and accurately perform over/under frequency experiments, anti-islanding experiments; LIST, STEP two modes, can execute 30 sets of different voltage, frequency, and time settings, and can continuously perform cyclic tests. The running time can be set to 10ms, which can be used for simulating grid tests, realizing voltage and frequency gradient, step function, with active PFC, easily completing low voltage and zero voltage ride-through tests.

◆ Over/under voltage and over/under frequency tests can be performed; after setting the required voltage or frequency changes on the programmable panel, after running, each change in voltage or frequency will trigger a level, which is very accurate and convenient when performing this experiment.

◆ High measurement accuracy, suitable for testing various waveforms similar to sinusoidal half-waves with DC components.

◆ Provides RMS voltage, RMS current, active power, frequency, power factor, peak current, etc. readings.

◆ For 100% load/no-load, the response time is within 2ms, strong overload capacity, and the instantaneous current can withstand 3 times the rated current.

◆ External zero voltage ride-through synchronous trigger signal dry contact for easy user testing.

◆ It has two parts: DC and AC output. The DC voltage is not adjustable and is fixed at 300V (single-phase input) and 500V (three-phase input) (optional).

Product Specifications

ALC5000 Feedback Grid Simulator

Model

ALC5005

ALC5010

ALC5015T

ALC5030T

ALC5060T

ALC5100T

ALC5150T

ALC5200T

ALC5300T

ALC5500T

ALC51000T

ALC52000T

Capacity

10K

15K

30K

60K

100K

150K

200K

300K

500K

1000K

2000K

Manufacturing Method

SPWM (Sine Pulse Width Modulation)

Input

Phase

1φ2W+PE Single-phase two-wire + ground wire

3φ4W+PE Three-phase four-wire + ground wire

Voltage

220V±15%

380V±15%

Frequency

47Hz ~ 63Hz

Power Factor

0.85 – 0.99 (Active PFC, can reach 0.99 at full load)

Current Harmonics

≤5% (above half load)

Output

Phase

1φ2W+PE Single-phase two-wire + PE

3φ4W+PE Three-phase four-wire + ground wire

Voltage

0-320VAC

Phase A: 0-320VAC, Phase B: 0-320VAC, Phase C: 0-320VAC, Phase: Φab: 0-359°, Φac: 0-359°

Frequency

45~120Hz (40~500Hz configurable, 10~1000Hz customized) 0.1Step

Rated Current

21 A

42 A

21 A

42 A

84 A

140 A

210 A

280 A

420 A

700 A

1400 A

2800 A

Crest Factor

3:1

Response Time

2 ms

Energy Feedback

Energy Feedback Grid

Display: LED

Voltage, Current, Frequency, Power, Power Factor PF

Voltage Regulation

0.1%

Load Regulation

Waveform Distortion

2% (pure resistive load)

Frequency Stability

0.01%

Voltage Resolution

0.1V

Frequency Resolution

0.001 Hz

Current Resolution

0.01A

0.1A

Measurement Accuracy

Voltage

0.5%FS+5dgt

Current

0.5%FS+5dgt

Power

0.5%FS+5dgt

Frequency

0.01%FS+5dgt

Setting Accuracy

Voltage

0.5%FS

Frequency

0.1%FS

Number of Storage Groups

Total 9 groups, each group can store voltage and frequency values, easy to call

Number of Programmable Groups

Step LIST: 30 groups in total, each group can run voltage, frequency value, step time; time setting 10ms, number of cycles 99999
Gradient STEP: 30 groups in total, each group can run starting voltage, ending voltage, linear change time; time setting 10ms, number of cycles 99999

Harmonic Editing

Editable any harmonic 1-49 times

Communication Interface

RS232C [IEEE488.2(GPIB) optional]

Current Limit Setting

0-Max Current

Protection

Overcurrent, Overtemperature, Overload, Short Circuit

Cooling Method

Forced Air Cooling

Weight (Kg)

120

150

200

300

600

900

1200

1800

3000

4500

Volume

430×800×700

610×1350×1050

700×1350×1400

900×1730×1610

900×1730×1610*2

900×1730×1610*3

Operating Environment

0 ~40℃ (Outdoor -20℃ ~ 50℃ requires customization) 20~90%RH

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