Electronics Solutions for the Energy Market
As a global manufacturer with key competence in sensing and control technology, Omron aims to provide innovative solutions that help build energy-related equipment.
The key to successful implementation is to provide dependable and highly qualified component solutions that will contribute to enhancing performance advances, reliability, and safety of equipment. The following figure gives an overview of the solutions we provide to customers to build energy-related equipment from generation to usage, which are classified into “commercial and industrial” and “residential” use.
【Application Note】
How to protect your EV chager from tampering?
Omron's Switches & Sensor Solutions for EVSE.
01Energy Market Equipment
Energy Management System for Commercial & Industrial Use
For commercial buildings which account for a large amount of energy consumption, efforts are being called to reach “zero emission”. This is achieved by increasing the installation of stable renewable energy sources such as solar photovoltaic power generation systems and storage batteries in addition to energy efficiency efforts.
Energy Management System for Residential Use
As more households choose to install energy-efficient equipment such as solar photovoltaic power generation systems, storage batteries and fuel cell systems, we are coming closer to realizing a decentralized society that does not rely on conventional power sources
02New Products for Energy Market
Omron Solutions for the Energy Market
Here is the lineup of our new and existing products and available products suitable for energy-related equipment that meet the industry’s technology trends, customer needs and challenges.
New Electronic Components Solutions for the Energy Market
01 AC.DC Power Relay, 800VAC / 200A, 60VDC / 200A
- Omron original low-heat generating design with low contact resistance of 0.2 m Ω* for high capacity / current applications. *As an initial value
- 800 VAC / 200 A high-current switching capability.
- Class-leading super compact and low-profile package.
- 60 VDC / 200 A high-current switching capability.
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Advantages for customers
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- Reduces the design cost for heat dissipation such as a heatsink, a fan, etc.
- Helps miniaturize end products with a simple heat dissipation design.
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02 AC.DC Power Relay, 800VAC / 40A, 480VAC / 100A, 60VDC / 100A
- Low-heat generating design with low contact resistance of 5 m Ω* for high capacity / current applications.*As an initial value
- 800VAC/40A, 480VAC/100A
- 60VDC/100A high-current switching capability
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Advantages for customers
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- Reduces the design cost for heat dissipation such as a heatsink, a fan, etc.
- Helps miniaturize end products with a simple heat dissipation design.
03 High Voltage DC Power Relay
- ・A high capacity of 600 VDC, 50 A and bidirectional opening and closing is achieved
- ・UL 60947-4-1 and EN 61810-10-certified (required for ESS switching devices)
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Advantages for customers
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- Contributes to the miniaturization of equipment with a mounting area of 11.5㎠ required for household products.
- Aquired UL60947-4-1, a must for home storage batteries, so that you can consider new themes immediately.
04 Compact, High Voltage DC Power Relay
- Compact design capable of switching 1,000 VDC loads.
- Features magnetic arc control, and a safe, reliable design.
- New 600VDC/30A contact rating for reverse polarity.
∗Standard contact rating: 1,000VDC/25A
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Advantages for customers
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- Helps miniaturize end products with the PC board mounting type relay.
- Helps improve circuit pattern flexibility on PC boards with the availability of reverse polarity.
05 Compact, High Voltage DC Power Relay
- Developed for inrush current prevention circuit in energy related equipment such as ESS.
- 10 A, 500VDC high-voltage switching with the magnetic arc control design.
- Low power consumption (0.8W) with the single coil structure.
- Compact body and small footprint (13.5 mm X 29.0 mm) .
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Advantages for customers
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- Supports simplified circuit design and energy saving with the single coil structure.
- Helps miniaturize PC boards with the small footprint.
06 Compact, DC Power Relay
- ・Compact design that enables bidirectional opening/closing of 200 VDC, 20 A
- ・400 VDC, 20 A opening/closing is also possible through a contact series connection between two product units
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Advantages for customers
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- Because G5PZ-X is compatible with both one-way and bidirectional opening and closing applications, it can be used as common parts.
- The high degree of freedom in the layout of relays on the board contributes to the simplification of the design of the PCB pattern and the space saving of circuits.
07 Compact, High-Capacity Multi-Pole Power Relay
- Provides compact and cost-efficient solution for applications such as inverters, UPS, and fuel cell battery circuits.
- Possible to be used like a contactor.
- Maximum load capacity 440 VAC / 160 A (40 A / 4-pole parallel / IEC-AC1) : G7Z
- Safety function with mirror contacts in various configurations : G7Z
- No contact chattering for momentary voltage drops up to 50% of rated voltage: G7J
- Multi-pole 25A rated compact relay with PCB terminal variation: G7J
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Advantages for customers
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- Reduces the cost of end products by replacing contactors without sacrificing reliability.
- Helps miniaturize end products by replacing contactors.
08 Compact, High-Capacity Power Relay
- Compact single pole relay for high current load switching.G6QE: 36A, 250 VAC, G2RL-1A-E2: 23A, 250VAC
- High impulse withstand voltage at 10KV, between the coil and contacts.
- Meets ambient operating temperature requirements at 105℃ : G2RL-1A-E2
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Advantages for customers
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- Supports high-switching capacity and downsizing.
- Supports low-heat generation and a design that contributes to energy-saving.
09 Compact, High-Capacity AC Latching Relay
- Compact, high power AC latching relayG9TA: 60A, 250 VAC, G9TB: 120A, 276VAC
- Excellent contact reliability
- High overcurrent capabilityConforming to IEC62055-31 UC3 : G9TB
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Advantages for customers
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- Provides a valuable solution for Grid disconnection.
- Supports energy efficiency of end products.
10 MEMS Thermal Sensor (32 X 32)
- 1,024 (32 X 32) pixels realize Detailed point temperature monitoring.
- 200℃ of maximum object temperature is suitable for overheat monitoring.
- Temperature conversion process is included in MCU.
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Advantages for customers
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- Realize non-contact overheat monitoring.
- Identify the location of overheating with high resolution pixel.
- Easy to use. No need for temperature conversion calculation.
11 Push-In PCB Connector with Low Insertion Force
- Omron’s original “double-spring structure” design offers very low insertion / extraction force without sacrificing contact reliability.
- The “screwdriver holding” design supports secure wiring for operators with installation / maintenance activities.
XW4N
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Advantages for customers
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- The ability to use one-hand insertion with very low force helps to reduce the operator’s wiring time during electrical testing in production and equipment installation / maintenance.
- To help ensure safe wiring with the screwdriver holding design for installation and maintenance work.
03Applications & Recommended Components for the Energy Market
01 PV Inverter (Commercial & Industrial)
Recent development of mega-solar photovoltaic power generation systems is looking more into increasing the capacity of decentralized PV inverters to maximize power generation and reduce maintenance costs.
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1Ground-Fault Detection Circuit
Relays are used in circuits where the insulation resistance between the DC input line and the ground is measured before the PV inverter starts.
If the insulation resistance is smaller than the specified threshold value, the operation stops as provided by the safety standards. -
2Grid Interconnection
Relays are required to comply with the safety standards to protect the electrical power system when equipment anomaly occurs.
Our newest relays have high capacity and low heat generation features which are suitable for high-capacity inverters. PCB relays are getting utilized instead of magnet contactors to meet the decentralization trend of PV inverters. -
3Control Signal Connection
MIL connectors are used to connect between boards such as between control circuit boards and motherboard (inverter circuit) or communication circuit board.
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4Output Signal Connection
Push-in terminal block PCB connectors can be used to connect control circuit boards and outside optional boards.
Low insertion force push-in PCB connector is newly released, which helps to reduce operator’s wiring time.
02 Rapid Shutdown
In North America, a requirement exists to install a system intended to disconnect DC power. The system protects fire fighters against electrocution during firefighting operations.
03 Energy Storage System (Residential)
Countries that have ended the feed-in tariff program for solar energy generation are now turning to storage batteries to increase solar self-consumption.
Furthermore, there is a trend in using high-capacity and high output batteries that provide homes with backup power during power outage.
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1Grid Interconnection
Relays are used to disconnect from the power grid in the event of a failure in the primary power source input or equipment faults.
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2Critical Load Backup
Relays are used for stand-alone operation to continue supplying solar power to homes when the grid connection relay is disconnected during power outage.
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3DC Inrush Bypass
Relays and resistance with a bypass circuit are used to protect the equipment against inrush current that occur at the start of charging.
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4DC Safety Shutdown
Relays are used to safely disconnect in the event of a connection error between the battery and PV inverter or failure in battery power or the entire system. The relay is required to perform both positive (+) and negative (-) switching to open/close in both direction for charge and discharge action.
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5Signal Connection
MIL connectors are used for signal connection between control circuit boards and motherboard.
04 Stationery EV Charger
04-1 AC Charger
With the growing demand of electric vehicles(Evs), the charging infrastructure is increasing, including the number of EV charging stations in various locations at homes and across cities (Mode 3) .
There is a growing trend in developing EV chargers with high-capacity output to achieve shorter charging time.
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1AC Safety Shutdown
Relays are used to disconnect from the power grid in the event of a failure in the primary power source input or equipment faults.
Multipolar relays are available, particularly for multiphase disconnection for three-phase power supply used in public systems, for example. -
2Connecting Detection
Micro switches are used for the connecting detection between vehicle and Charging gun.
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3Ground-Fault Detection
Relays are used in circuits where the insulation resistance between the DC input line and the ground is measured before the EV charger starts.
If the insulation resistance is smaller than the specified threshold value, the operation stops as provided by the safety standards. -
4Signal Connection
MIL connectors are used for signal connection between control circuit boards and motherboard.
* Above products cannot be used for Mode 1 and Mode 2 IC-CPD charging cable applications.
04-2 DC Fast Charger
DC fast chargers are installed at locations such as highway service areas to enable quick charging (Mode 4).
DC Voltage Switching Circuit
Some chargers use circuits that enable switching the output voltage to charge both high-voltage battery (1,000V) vehicles i.e. electric trucks and buses and low-voltage battery (500V) electric passenger vehicles.
In such case, relays are used for switching the circuit to provide complete physical insulation between the outputs for safe design.
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1AC Safety Shutdown
Relays are used to disconnect from the power grid in the event of a failure in the primary power source input or equipment faults.
Multipolar relays are available, particularly for multiphase disconnection for three-phase power supply used in public systems, for example. -
2DC Discharge Circuit
Relays are used to connect discharge resistance on the output end to safely stop the charging once the charging completes.
Recommendation is to use the multipolar relay with contact arrangement 3a1b and use 3a for AC safety shut cutoff and 1b for discharge circuit connection. -
3Connecting Detection
Micro switches are used for the connecting detection between vehicle and Charging gun.
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4Ground-Fault Detection
Relays are used in circuits where the insulation resistance between the DC input line and the ground is measured before the EV charger starts.
If the insulation resistance is smaller than the specified threshold value, the operation stops as provided by the safety standards. -
5Signal Connection
MIL connectors are used for signal connection between control circuit boards and motherboard.
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6DC Safety Shutdown
Relays are used to safely disconnect in the event of a connection error between the battery and PV inverter or failure in battery power or the entire system. The relay is required to perform both positive (+) and negative (-) switching to open/close in both direction for charge and discharge action.
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1DC Voltage Switching Circuit
04-3 V2H (Vehicle To Home)
The proliferation of solar photovoltaic power generation systems and electric vehicles across homes has led to an increase in EV batteries for stationary storage applications.
For such applications, DC charge and discharge control are carried out.
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1AC Safety Shutdown
Relays are used to disconnect from the power grid in the event of a failure in the primary power source input or equipment faults.
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2DC Inrush Bypass
Relays and resistance with a bypass circuit are used to protect the equipment against inrush current that occurs at the start of charging.
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3DC Safety Shutdown
Relays are used to disconnect the power supply to ensure safety when abnormalityis detected in the EV charging process.
For V2H systems, the relay is required to perform both positive (+) and negative (-) switching to open/close in both direction for charge and discharge action. -
4Connecting Detection
Micro switches are used for the connecting detection between vehicle and Charging gun.
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5Ground-Fault Detection
Relays are used in circuits where the insulation resistance between the DC input line and the ground is measured before the EV charger starts.
If the insulation resistance is smaller than the specified threshold value, the operation stops as provided by the safety standards. -
6Signal Connection
MIL connectors are used for signal connection between control circuit boards and motherboard.
05 Smart Meter
05-1 Smart Electricity Meter
Smart meters are becoming more common around the world as these devices visualize power usage as well as allow remote meter reading and remote control.
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1Communication Signal Control
Relays are used to switch on and off the communications between the control center and smart meters.
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2Alarm Switching
Relays are used to output alarm signals when meter malfunction occurs or there is an abnormality due to external factors.
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3Control Signal Connection
FPC/FFC type connectors are used for signal connection between the display PCboard and the main circuit board.
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4External Interface
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5Open Cover (Tamper) Detection
Switches are used to detect when the case cover has been opened.
05-2 Smart Gas Meter
Gas meters are equipped with various types of sensors for safety applications which enable automatic meter reading with wireless communication capability. This allows remote control, such as shutting off gas supply from the central control center. The sensors run on batteries and lower power consumption is desired for extended operation.
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1Disk Rotation Counting
Optical sensors are used in diaphragm gas meters to allow counting disc rotation for a longer period by contactless method. By installing two sets of optical sensors, it allows detecting counter-rotating discs. The sensor reduces power consumption by pulse output proportional to the low-duty cycle.
【Recommendation】
Photo-IC type(faster response) also available -
2Signal Connection
FPC/FFC type connectors are used for signal connection between the display PC boards and the main circuit board.
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3External Interface
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4Open Cover (Tamper) Detection
Switches are used to detect when the case cover has been opened and signals an alert.
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5Earthquake Detection
An earthquake detection sensor is used to activate the shut-off valve installed onthe gas meter in the event of an emergency to prevent secondary disaster.
06 Fuel Cell
The usage of fuel cells, which are one of the most ideal eco-friendly energy systems, are increasing as a source of energy for factories and cars as well as for decentralized energy generation for residential homes. The resulting waste heat production is also effectively used to meet the needs.
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1Air Flow Measuring
A flow sensor is used to measure the rate of air flow supplied to the burner of the fuel processing system (reformer) and perform feedback control.
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2Gas Flow Measuring
A flow sensor is used to measure the rate of fuel gas flow supplied to the fuel processing system (reformer) and perform feedback control.
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3Air Flow Measuring
A flow sensor is used to measure the rate of air flow supplied to the air poles of the fuel cell stack and perform feedback control.
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4Air Flow Measuring
A flow sensor is used to measure the rate of air flow supplied to the fuel processing system (reformer) and perform feedback control.
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5Critical Load Backup
Relays are used for stand-alone operation to continue supplying fuel cell power to some specified home loads when the grid connection relay is disconnected during power outage.
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6Grid Interconnection
Relays are used for grid interconnection switching to supply fuel cell power to homes.
07 Pad Mounted Transformer
Pad mounted transformers require periodic inspection and maintenance carried out by qualified personnel. With a simple fault, serious problems can occur and many firms today face shortage of engineers qualified for the work.
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1Abnormal Heat Detection
Deterioration from aging or structural failure during construction (e.g. connection failures) can cause abnormal heating leading to burnout. A temperature sensor is used for real-time temperature monitoring by contactless method to signal an alert when an abnormal temperature is detected to prevent an incident from occurring.
The use of the sensor reduces the need for manpower.
04Product Line-Up for Energy Market
AC High Capacity Relays
A wide product line with compact / low-heat generating features available for high capacity applications.
- 01 Energy Market Equipment
- 02 New Products for Energy Market New Product Introduction
- 01 AC.DC Power Relay, 800VAC / 200A, 60VDC / 200A [ G9KA ]
- 02 AC.DC Power Relay, 800VAC / 40A [ G7EB ]
- 03 High Voltage DC Power Relay [ G9KB ]
- 04 Compact High Voltage DC Power Relay [ G7L-X ]
- 05 Compact High Voltage DC Power Relay [ G2RG-X ]
- 06 Compact DC Power Relay [ G5PZ-X ]
- 07 Compact High-Capacity Multi-Pole Power Relay [ G7Z / G7J ]
- 08 Compact High-Capacity Power Relay [ G6QE / G2RL-1A-E2 ]
- 09 Compact High-Capacity AC Latching relay [ G9TA / G9TB ]
- 10 MEMS Thermal Sensor (32 X 32) [ D6T-32L-01A ]
- 11 Push-In PCB Connector with Low Insertion Force [ XW4M/XW4N ]
- 03 Application & Recommended Products
- 04 Product Line-Up for Energy Market