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An inverter or power inverter is a circuit or device contains this circuit that changes direct current (DC) to alternating current (AC). Inverter circuits are used to change DC from solar power generation or batteries to AC power and to control motors driven by AC. Inverters in solar power generation are also called solar inverters, hybrid inverters, or DC-to-AC inverters. Inverters for motors are also called inverter-drive or inverter-control with variable voltage and frequency.

Generally, the AC current supplied from a power source has a constant voltage and frequency, which is standardized by the country. In order to change the voltage and frequency of the AC current to any desired value, it is necessary to convert the AC (alternating current) electricity to DC (direct current) and then back to AC (alternating current). This "inverter" is also used inside the AC power source.

The semiconductor devices used in inverters are called power devices. Among the power devices, IGBTs using SiC and MOS-FETs using GaN and GaO are the most common switching devices. These are characterized by high withstand voltage and are suitable for use under high currents.

Inverter drive is a method of controlling machinery by changing the voltage and frequency using an inverter. Inverter drives include the motors of air conditioners and washing machines, the drive motors of railroad cars (trains), electric vehicles (EVs), hybrid vehicles (HVs), and plug-in hybrid vehicles (PHVs). In particular, railroad cars and hybrid vehicles can utilize regenerative energy from regenerative braking, which is attracting attention as a highly energy-efficient drive system.

Inverters used for photovoltaic cells are called solar inverters. (In Japan, they are called power conditioners.) Solar inverters are devices that convert DC electricity generated by solar panels into AC electricity. For more information on photovoltaic cell (PV) systems, see Photovoltaics (PV).

Matsusada Precision offers a wide range of power supply equipment for use in inverter research and development and various tests.

Composition of Inverter
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Recommended products

Matsusada Precision offers a wide range of power supply equipment for use in inverter research and development and various tests.

AC + DC

DRS series

DRS series

Power
Up to 2000 VA
Voltage range
155/310 Vac
Frequency
1 to 550 Hz
Programmable AC Power Source

Simple operations and high power in overwhelming compact size

AC + DC

DRJ series

DRJ series

Power
500 VA
Voltage range
150/300 Vac
Frequency
1 to 550 Hz
Ultra-Small Programmable AC Power Source with Both AC and DC Outputs

Wide range of output voltage and frequency

AC

DRJE series

DRJE series

Power
500 VA
Voltage range
150/300 Vac
Frequency
40 to 400 Hz
Programmable AC Power Source

High baseline performance, Capable of a wide range of outputs excellent cost performance

AC + DC

DRK series

DRK series

Power
Up to 8000 VA
Voltage range
150/300 Vac
Frequency
1 to 550 Hz
High power Rack mount AC Power Source

Our original switching method has achieved high-quality output

R4K-36 series

R4K-36 series

voltage range
2 to 40 V
current
0.1 to 4 A
power
0.2 to 36 W
Palm size DC Power Supply

Excellent quietness with natural air-cooling system

R4K-80 series

R4K-80 series

voltage range
16 to 320 V
current
0.5 to 10 A
power
80 W
Ultra slim, 4-digit, DC Power Supply

Various lineups for output current control at 0.1 mA increment

TB series

TB series

voltage range
35 to 1000 V
current
1 to 108 A
power
360W, 720W, 1080W
Wide range programmable
DC power supply

"Turbo function" installed, Compact, Suppressing voltage/current overshoot

RK series

RK series

voltage range
6 to 800 V
current
0.6 to 180 A
power
385 to 1200 W
Versatile benchtop
DC power supply

Available for 400 W output while being small size of only 2.8-inch in the width.

RE series

RE series

voltage range
10 to 650 V
current
1.2 to 1200 A
power
0.75 to 15 kW
147 models, programmable DC Power Supply

Low noise, High power, compact and high efficiency

REK/REKJ series

REK/REKJ series

voltage range
6 to 1500 V
current
1 to 1200 A
power
0.77 to 15 kW
Versatile, High-performance
DC power supply

Compact and High power, PFC circuit and universal input, Various operations is available

PRT series

PRT series

voltage range
80 to 1500 V
current
33 to 510 A
power
5 to 15 kW
High Power Wide Range DC Power Supply

Achieve a wide range of output, Variable internal resistance function

PBR series

PBR series

voltage range
80 to 1500 V
current
20 to 360 A
power
5, 10, 15kW
Regenerative DC power supply

Bidirectional power supply with power running and regeneration

EGD series

EGD series

Load power
150, 200 W
Voltage
1.5 to 150 V
Current
30, 60 A
Benchtop DC Electronic Load

Compact and High Power
300W model coming soon

EGS series

EGS series

Load power
75 W
Voltage range
18 to 60 V
Current
2 to 10 A
Benchtop DC Electronic Load

Power of 75 W in an ultra-slim of 35 mm

EHD/EHHD series

EHD/EHHD series

Load power
1000, 1500 W
Voltage
150 V
Current
150 A
High Power DC Electronic Loads

High power 1500 W