24 Three-Phase Inverter Manufacturers in 2024
This section provides an overview for three-phase inverters as well as their applications and principles. Also, please take a look at the list of 24 three-phase inverter manufacturers and their company rankings. Here are the top-ranked three-phase inverter companies as of November, 2024: 1.Applied Power Systems, Inc., 2.Exponential Power, 3.Zhejiang Sandi Electric Co.,Ltd.
Table of Contents
What Is a Three-Phase Inverter?
A three-phase inverter is a device that converts direct current (DC) into three-phase alternating current (AC), adjusting voltage value and frequency according to need. It consists of three main components: a converter, which converts AC to DC; a capacitor, which stabilizes the DC output; and an inverter circuit, which converts DC back to AC.
Applications of Three-Phase Inverters
Three-phase inverters are versatile, supporting various control methods for different applications:
1. VVVF (Variable Voltage Variable Frequency)
Used for precise control over both voltage and frequency, this method is ideal for AC motor control in railway vehicles and air conditioners.
2. CVVF (Constant Voltage Variable Frequency)
This maintains constant voltage while allowing frequency adjustment, suited for applications like IH cookers, where varying the frequency can control heating intensity.
3. CVCF (Constant Voltage Constant Frequency)
Ensuring stable power supply without voltage drops, CVCF is critical for computer power supplies and UPS systems.
Principle of Three-Phase Inverters
The inverter first converts incoming AC to DC, which is then fed into the inverter circuit. Using pulse width modulation (PWM), the inverter controls the output by adjusting the ON/OFF ratio of switches, efficiently generating AC with desired characteristics.
1. Inverter Circuit
PWM is a key technique in inverter circuits, enabling efficient power conversion and size reduction by modulating the switch's ON/OFF durations.
2. PWM (Pulse Width Modulation)
PWM controls output through the comparison of sine and triangular waves, toggling the switch between ON and OFF states to match desired output characteristics. Variable frequency modulation (VFM) is another method offering efficiency at low loads.
3. RL Transient Response
The inverter's output, when applied to loads like induction motors, shows an RL transient response, which is a gradual voltage increase to a steady state. Adjusting the switching frequency can smooth the AC supply to such loads.
Other Information about Three-Phase Inverters
What Is 3-Phase AC?
Three-phase AC consists of three alternating currents, each offset by a 120-degree phase difference, ensuring efficient power transmission with no need for a return circuit. Three-phase inverters are essential for converting DC to this efficient AC form, widely used in power lines for its superior efficiency over single-phase AC.
List of 24 Three-Phase Inverter Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- United States of America
- Canada
- China
- Germany
- India
- Italy
- Japan
- Taiwan
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Applied Power Systems, Inc.
Three-Phase Inverters
Manufacturer Overview
Applied Power Systems, Inc. (APS) was founded in 196 and headquartered in Hicksville, New York. Applied Power Systems is a power electronics company specializing in power conversion systems and thermal management of high power semiconductors. APS offers a large selection of high power thermal management products. These products include standard and custom aluminum extrusion heat sinks for natural convection and forced air-cooling. Cast and machined copper chill plates for liquid cooling. State of the art clamps for flat pack or hockey puck semiconductors. APS also offers driver circuit boards to drive SCR, IGBT and MOSFET devices.
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Wolfspeed
Three-Phase Inverters
Manufacturer Overview
Wolfspeed, based in North Carolina, USA, is a global manufacturer and supplier of Silicon Carbide products, established in 1989. Their extensive portfolio includes Silicon Carbide MOSFETs, Schottky diodes, RF devices, and power modules. The company has 7+ trillion power device field hours and licenses to manufacture from major corporations, including Mitsubishi Chemical, Nexperia BV, Resonac Corporation, Tokuyama Corporation, and Transphorm. As a semiconductor manufacturer, they provide disruptive technology solutions for industries such as electric vehicles, fast charging, 5G, renewable energy, and aerospace. They are ISO 9001:2015, AS 9100D, and IATF 16949: 2016 Certified
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Exponential Power
Three-Phase Inverters
Company Overview
Exponential Power has roots dating back to 1915 and began with the merger of Storage Battery Systems and Summit Power Systems in 2014, and is now headquartered in Menomonee Falls, Wisconsin. Exponential Power is a distributor of stored power solutions, serving offshore, telecom, energy-services, utilities, energy, data centers, motive power, material handling, distribution, and manufacturing industries. Exponential Power provides batteries, battery backs, power systems, battery cabinets, UPS, as well as other products. Exponential Power offers services such as installation, maintenance, repair, and rental equipment.
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Fox Valley Fire & Safety
Three-Phase Inverters
Company Overview
Fox Valley Fire & Safety was founded in 1960 and is based in Elgin, Illinois. Fox Valley Fire & Safety provides service, inspection, repair, and installation of security and alarm systems. Many of Fox Valley employees hold NICET certification for fire, hazard, and water-based systems. Fox Valley works with businesses both large and small businesses to offer on-site surveys, CAD services, and testing of fire and other safety needs and meet government compliance standards. Examples of systems include basic fire alarms to 24-hour security monitoring, sprinkler systems, fire suppression systems, and emergency and exit lighting.
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FSP TECHNOLOGY INC.
PV Inverter
Manufacturer Overview
FSP Technology Inc., established in 1993, is based in Taoyuan, Taiwan, as a manufacturer of electronic power supplies. It specializes in manufacturing battery chargers and PV inverters. It also manufactures AC/DC power supplies, such as IPC power supply units, open-frame power supplies, and solid-state lighting power supplies. The company obtained several ISO certifications, including ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. In 2022, it patented master-slave interchangeable power supply devices, power converters, and computer casing products. Its manufactured products are catered to smart MicroGrids, medical, gaming, PD charger, and edge computing sectors across Taiwan, the UK, China, Germany, and the USA.
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Hitachi, Ltd.
Inverters
Manufacturer Overview
Hitachi, Ltd was established in 2002 and headquartered in Chiyoda-ku, Tokyo is a manufacturer of industrial electrical equipment and system solutions. The company offers an extensive and diversified product portfolio including industrial drive systems, power electronics, energy-related equipment, power distribution systems, and various other industrial solutions. These products serve as integral components that drive advancements in industrial capabilities across diverse sectors by playing a pivotal role in promoting energy conservation and storage, automating robot systems in large factories, enabling smarter manufacturing through digital solutions, and facilitating efficient transportation within industrial facilities.
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Staticon Ltd.
Three-Phase Inverters
Manufacturer Overview
Staticon Ltd., headquartered in Scarborough, Ontario, is an established manufacturer of industrial/utility station power supply equipment since 1964. The company has been producing Rectifiers, DC UPS Systems, Battery Chargers, Inverters, AC Line Conditioners, AC Transfer Switches, and AC UPS Systems since its inception. With a team of 11 to 50 employees, they provide services to the Appliances, Electrical, and Electronics Manufacturing industries. Their products offer utility-grade power solutions, catering to essential backup, auxiliary, and battery charging needs. Their designs prioritize natural convection cooling, magnetic control, and simple electronics, ensuring durability and ease of field serviceability.
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Xindun Power Co.
Three Phase Inverter
Manufacturer Overview
Xindun Power Co., established in 2007 and headquartered in Guangdong, China, is a manufacturer of AC to DC inverters and power supply products. The company holds ISO 9001 and CE certifications, and specializes in manufacturing various power-related products, including off-grid & on-grid solar inverters, uninterruptible power supplies (UPS), and voltage stabilizers that have optimal efficiency and stability. The solar inverters help harness renewable energy efficiently, reducing electricity costs and environmental impacts. The UPS systems ensure uninterrupted power supply for data centers and healthcare. Voltage stabilizers protect sensitive equipment from voltage fluctuations, catering to the solar, telecommunications, manufacturing, and commercial sectors.
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Manufacturer Overview
FIMER, established in 1942 and headquartered in Vimercate, Italy, is a gobal manufacturer of inverters for solar systems. The company offers various products, including both single- and small three-phase string inverters for residential applications and string inverters designed for commercial and industrial buildings. FIMER also offers central inverter stations and turnkey solutions designed for use in large ground-mounted multi-megawatt photovoltaic power plants. Since 2017, the company has also expanded into electric vehicle charging solutions, providing comprehensive platforms in both DC and AC to serve a variety of users, including private, public, and commercial sectors.
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Zhejiang Sandi Electric Co.,Ltd
3 Phase Inverter
Manufacturer Overview
Zhejiang Sandi Electric Co., Ltd. is a manufacturer and supplier of solar inverters and power products. Established in 2008, the company is headquartered in Yueqing, Zhejiang, China. The company's main activities involve designing and producing solar inverters and power products for renewable energy applications. Its product range includes grid-tied inverters, off-grid inverters, and energy storage systems, serving industries such as solar power generation and smart grid. Zhejiang Sandi Electric offers services like technical support and system design.
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Manufacturer Overview
KACO is a solar PV inverter manufacturer originally founded in 1914 in Baden-Wurttemberg, Germany. The company launched the world's first transformerless solar PV inverter, which propelled its following expansion through Europe, North America, Africa and Asia. Among its products, one can find string, hybrind and battery inverters, as well as reactive power compensation units and more. It also offers multiple services, including repowering, backup power supply, training and webinars. The venture counts with multiple quality standards quotas, such as the DIN EN ISO 14001 and DIN EN ISO 50001 certificates.
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NingBo Deye Inverter Technology Co.，Ltd.
Three Phase String Inverter
Manufacturer Overview
NingBo Deye Inverter Technology Co., Ltd., a subsidiary of the Deye Group founded in 2007 and based in NingBo, China, is a manufacturer of solar inverters, specializing in providing complete photovoltaic power system solutions, serving various markets, including Europe and the United States. The company offers various inverter devices, including PV grid-connected inverters and hybrid inverters with power ranges from 1.5-110kW and 3kW-50kW, respectively, as well as stand-alone grids and microinverters for both residential and commercial power plants. The company also offers various inverter accessories such as energy meter and stick logger as well as software that monitors inverter performance.
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RENAC Power
Three Phase Inverters
Manufacturer Overview
RENAC Power, founded in 2017, is a global manufacturer of On-Grid Inverters, Energy Storage Systems, and a Smart Energy Solutions Developer based in Suzhou, China, with service and technical support centers in Brazil, Vietnam, and Italy. The company offers a wide range of products, including the single-phase R1 Mini Series Inverters designed for residential projects with higher power density, wider input voltage range, and high power PV modules. RENAC Power also offers High Voltage and Low Voltage Hybrid Inverters for commercial use as well as various accessories, including Smart Meters and EPS Box.
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People Electric Appliance Group Co., Ltd.
inverter
Manufacturer Overview
People Electric Appliance Group Co., Ltd., headquartered in Yueqing, Zhejiang, China, is a manufacturer of electrical equipment. Its diverse product range includes circuit breakers, contactors, disconnectors, switchgear, and control panels. These products find applications in power generation and transmission, industrial automation, and commercial and residential construction industries. The company's equipment is designed to safeguard and regulate electrical circuits, ensuring safe and efficient operations. The company also holds certifications such as ISO 14001 Environmental Management System, ISO 45001 Occupational Health & Safety Management System, and ISO 9001 Quality Management.
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STMicroelectronics
STPOWER SLLIMM Intelligent Modules
Manufacturer Overview
ST Micro Electronics is a global semiconductor company serving customers with innovations to have a positive impact on people's lives. Their product line is micro electronic systems, such as switches, controllers, sensors and drivers. The main selling point of ST Micro Electronics is its provision of sustainable products, and introducing their electronics to create a more sustainable world. The company, as well as providing the electronic devices, also provides software and support, ensuring that all fields are covered to provide a fully provide a supported and strong relationship with their customer base. ST Micro Electronics believe that technology plays a key role in helping to solve environmental and social challenges, which is why their semiconductor technologies start with their employees, their customers and partners.
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CyberPower
THREE-PHASE INVERTER
Manufacturer Overview
Cyber Power Systems (USA), Inc., was founded in 1997 in Shakopee, Minnesota as a designer and manufacturer of power protection and management solutions. The company's product categories include uninterruptible power supply (UPS) systems, power distribution units (PDUs), surge protectors, mobile charging devices, and connectivity devices to name a few. These products are designed to safeguard critical equipment and data against power fluctuations, surges, and outages at numerous locations such as homes, offices, government entities, and many commercial businesses, POS, and healthcare departments.
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Toshiba Schneider Inverter Corporation
Product information
Company Overview
Toshiba Schneider Inverter Corporation, established in 1998 and based in Nagoya, Aichi Prefecture, is a manufacturer and supplier of industrial inverters. The company's product range includes the high-performance driveTOSVERT VF AS3, CompactTOSVERT VF S15, and Compact. SimpleTOSVERT VF nC3, and related components. These products are designed for a variety of applications, from enhancing energy efficiency in machinery to precise operation controls. They serve industries such as food processing, machinery tools, farming, and wrapping. Additionally, its services span development, design, manufacturing, and product testing.
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Earth Orbit Technologies Inc.
Three-Phase Inverters
Company Overview
Earth Orbit Technologies Inc. is headquartered in Auburn Hills, Michigan. The company is a distributor and service provider providing calibration of energy systems serving residential, government, commercial, and industrial industry clients. The company serves manufacturers including CREE, Epistar, Philips, and ODM. Custom LED lighting capabilities are offered on LED solar lights, construction lights, panel lighting, grow lights, and street lights. Most customized products ship with standard warranties of up to 5 years.
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Delta Electronics, Inc.
Three Phase Inverters
Company Overview
Delta Electronics was founded in 1971 in Taipei, Taiwan. Delta Electronics is a global provider of power and thermal management solutions, serving power electronics, automation, and infrastructure. Delta’s power electronics division sells components such as inductors, power and system components such as industrial power supplies and external adapters, fans and thermal management such as DC brushless fans and motors, and automotive electronics. Automation includes industrial automation and building automation subdivisions. Infrastructure includes ICT infrastructure, energy infrastructure & industrial solutions, and display & visualization. Delta Electronics also provides solutions for data center, telecom energy, and EV charging.
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Daihen Varstroj
WELBEE inverters
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Solar Biz Inc.
Three-Phase Inverters
Distributor Overview
Solar Biz Inc. began in the 1970s in Ft. Atkinson, Wisconson. Solar Biz offers complete solar panel systems for residential and commercial customers ranging from under 5 watts to over 400 watts. Systems include solar panel components with racking and mounting, inverters, power centers, solar charge controllers, batteries, and accessories, AC and DC enclosures, circuit protection, hydro and wind generators and accessories, water pumps and water filtering, tanks, heaters, hot tubs, rain catchments, and appliances such as fans, gas ranges, refrigerators and freezers.
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SolarEdge
Three Phase Commercial Inverters
Distributor Overview
SolarEdge, founded in 2006 and headquartered in Herzliya, Israel, is a supplier and a smart energy technology service provider that specializes in offering solar energy production, storage, and EV charging solutions tailored for both residential and commercial applications. The company offers a wide range of products, including energy-optimized Inverters designed to enhance energy flow and maximize solar power generation, storage, and usage day and night, as well as Power Optimizers, EV Chargers, and a comprehensive software suite comprising tools for the design, installation, and monitoring of SolarEdge systems.
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Three-Phase Inverter Manufacturer Ranking
*Including some distributors, etc.Ranking as of November 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Applied Power Systems, Inc. |
8.9%
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| 2 | Exponential Power |
7.6%
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| 3 | Zhejiang Sandi Electric Co.,Ltd |
6.0%
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| 4 | KACO |
5.6%
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| 5 | FSP TECHNOLOGY INC. |
5.3%
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| 6 | Wolfspeed |
5.3%
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| 7 | Staticon Ltd. |
5.0%
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| 8 | Fox Valley Fire & Safety |
5.0%
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| 9 | Xindun Power Co. |
4.6%
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| 10 | SolarEdge |
4.3%
|
Derivation Method
The ranking is calculated based on the click share within the three-phase inverter page as of November 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
- Hitachi, Ltd.: 29,485
- KACO: 280
- Zhejiang Sandi Electric Co.,Ltd: 200
Newly Established Company
- RENAC Power: 2017 (7 years ago)
- Earth Orbit Technologies Inc.: 2014 (10 years ago)
- Zhejiang Sandi Electric Co.,Ltd: 2008 (16 years ago)
Company with a History
- Hitachi, Ltd.: 1910 (114 years ago)
- KACO: 1914 (110 years ago)
- FIMER: 1942 (82 years ago)
Three-Phase Inverter Manufacturers in United States
*Including some distributors, etc.
Global Distribution of Three-Phase Inverter Manufacturers by Country
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
China
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5 | 29.4% |
United States of America
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4 | 23.5% |
Taiwan
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2 | 11.8% |
Japan
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2 | 11.8% |
Canada
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1 | 5.9% |
|
Italy
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1 | 5.9% |
Germany
|
1 | 5.9% |
India
|
1 | 5.9% |
