In the new energy and server fields, plugs and power cords play crucial roles in ensuring the stable operation of equipment.
1 New Energy Field
A. Electric Vehicle Charging
1) Home Charging
AC charging cables with specific plugs are used for home charging stations. For instance, in many countries, a Type 2 plug is commonly used for AC charging at home. These power cords connect the household electrical outlet to the electric vehicle (EV) charging port. They typically operate at lower power levels, around 7kW for single-phase charging, which is suitable for overnight charging, allowing EV owners to conveniently charge their vehicles while at home.
2) Public Charging Stations
Slow Charging: Similar to home charging, slow-charging public stations also use AC power cords with corresponding plugs. They are often installed in parking lots of shopping malls, offices, and residential areas, providing a convenient charging option during daily activities.
Fast Charging: DC fast-charging stations require high-power DC charging cables. These cables are designed to handle large amounts of current to charge EVs quickly. The plugs used in DC fast-charging, such as the CCS (Combined Charging System) plug, can transfer power at much higher rates, sometimes up to 350kW, significantly reducing the charging time compared to AC charging.
B. Renewable Energy Generation
1) Solar Power Systems
In solar power plants or rooftop solar installations, power cords connect solar panels to inverters. These cords need to be resistant to environmental factors like UV radiation, high temperatures, and humidity. The plugs ensure a secure connection, allowing the direct-current (DC) electricity generated by the solar panels to be safely transmitted to the inverter, which then converts it into alternating-current (AC) electricity for use in the grid or in-house electrical systems.
2) Wind Turbines
Power cords and plugs are used to connect various components within a wind turbine, such as the generator, control system, and the power grid connection point. The plugs must be able to withstand vibrations, harsh weather conditions (including strong winds, rain, and cold temperatures), and ensure reliable power transmission from the generator, which produces electricity as the turbine blades rotate.
2 Server Field
A. Data Centers
1) Power Distribution
Server power cords are used to connect servers to power distribution units (PDUs). In data centers, where there are numerous servers operating continuously, different types of power cords are employed based on power requirements. For example, C13/C14 power cords with a 10A rating are commonly used for standard-power servers. These cords connect the server's power inlet to the PDU outlet, ensuring a stable power supply.
2) High-Power Servers
For high-power servers, such as those used for large-scale data processing or cloud computing, C19/C20 power cords are used. These can handle up to 16A of current, providing the necessary power for the high-performance operation of these servers. They are crucial for maintaining the continuous operation of data-intensive applications and services that rely on these servers.
B. Office and Enterprise Servers
In office environments, servers are often connected to standard electrical outlets using appropriate power cords and plugs. These cords ensure that the servers can run smoothly, providing services like file storage, email management, and internal network services for the enterprise. The plugs and power cords need to be reliable to prevent any disruptions to these essential business-related services.
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NEMA: 14-50P 4Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 UL C60320
Application: For new energy & network servers
Cable Type
| Cable Type |
Specification |
Power |
| EVE/ST/SJT |
6AWG X 4C |
12.5 KW |
| EVE/ST/SJT |
8 AWG X 4C |
10 KW |
| EVE/ST/SJT |
10AWG X 4C |
7.5 KW |
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NEMA: 5-20P 3Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 UL C60320
Application: For new energy & network servers
Cable Type
| Cable Type |
Specification |
Power |
| EVE/EVJE/ST |
12AWG X 3C |
2.5 KW |
| EVE/EVJE/ST |
14 AWG X 3C |
2.25 KW |
| EVE/EVJE/ST |
16AWG X 3C |
1.625 KW |
| EVE/EVJE/ST |
18AWG X 3C |
1.25 KW |
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NEMA: 6-15P 3Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 IEC60320
Application: For new energy & network servers
Cable Type
| Cable Type |
Specification |
Power |
| EVE/EVJE/ST |
14AWG X 3C |
3.75 KW |
| EVE/EVJE/ST |
16 AWG X 3C |
3.25 KW |
| EVE/EVJE/ST |
18AWG X 3C |
2.5 KW |
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NEMA: 6-20P 3Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 IEC60320
Application: For new energy & network servers
Cable Type
| Cable Type |
Specification |
Power |
| EVE/EVJE/ST |
12AWG X 3C |
5 KW |
| EVE/EVJE/ST |
14 AWG X 3C |
4.5 KW |
| EVE/EVJE/ST |
16AWG X 3C |
3.25 KW |
| EVE/EVJE/ST |
18AWG X 3C |
2.5 KW |
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NEMA: UK 3Pin Plug and Connector
Standard: BS1363. IEC60320
Application: For new energy & network servers
Cable Type
| Cable Type |
Specification |
Power |
| EVC/H05VV-F |
3G*1.5mm² |
3.25 KW |
| EVC/H05VV-F |
3G*2.5mm² |
3.25 KW |
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NEMA: FRANCE 3Pin Plug and Connector
Standard: IEC60884/CEE PUB7, IEC60320
Application: For new energy & network servers
Cable Type
| Cable Type |
Specification |
Power |
| EVC/H05VV-F |
3G*1.5mm² |
4 KW |
| EVC/H05VV-F |
3G*2.5mm² |
4 KW |
Frequently Asked Questions
Q
What types of power cords are used for electric vehicle (EV) home charging?
For home EV charging, AC charging cables with specific plugs are commonly used. In many countries, a Type 2 plug is the standard for home AC charging. These cords typically support single-phase charging at around 7kW, making them ideal for overnight charging at home.
Q
What is the difference between AC and DC fast-charging power cords for EVs?
AC charging cords are used for slower home and public charging, typically delivering up to 7kW for single-phase systems. DC fast-charging cables, on the other hand, are designed to handle much higher currents and can deliver power at rates up to 350kW using plugs like the CCS (Combined Charging System), dramatically reducing charging time.
Q
What power cord standards are used for server applications in data centers?
Data centers commonly use C13/C14 power cords rated at 10A for standard servers, and C19/C20 power cords rated up to 16A for high-power servers used in large-scale data processing or cloud computing environments. These ensure a stable and reliable power supply to maintain continuous server operation.
Q
What certifications and standards do these power cords comply with?
The power cords featured comply with multiple international standards including UL 817, CSA-C22.2 No. 21, UL C60320, IEC60320, BS1363, and IEC60884/CEE PUB7, depending on the plug type and target market (North America, UK, Europe, etc.). These certifications ensure safety and reliability in both new energy and server applications.
Q
What cable types and AWG sizes are available for NEMA 14-50P power cords?
NEMA 14-50P 4-pin power cords are available in EVE/ST/SJT cable types with three AWG options: 6AWG X 4C (12.5 KW), 8AWG X 4C (10 KW), and 10AWG X 4C (7.5 KW), allowing selection based on the specific power requirements of the application.
Q
Are these power cords suitable for renewable energy applications such as solar and wind?
Yes. Power cords used in solar power systems are designed to resist UV radiation, high temperatures, and humidity, ensuring safe DC transmission from solar panels to inverters. For wind turbines, the cords and plugs are built to withstand vibrations and harsh weather conditions, including strong winds, rain, and cold temperatures, ensuring reliable power transmission from the generator.
