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Hebei Nanfeng Automobile Equipment (Group) Co.,Ltd
Phone: +86 18811334770
Tel: +86 0317 8620396
Tel: +86 010 58673556
Candy Jiao
E-mail: nh.jiao@auto-parkingheater.com
Email: nh.li@auto-parkingheater.com
Add: Room 505, Building B, Free Town Center, No.58, East Third Ring South Road, Chaoyang District, Beijing, 100022, P.R.China
New Energy Electric Air Conditioning Compressor
The new energy electric air conditioning compressor is the core power component of the air conditioning system in new energy vehicles, and a key device that distinguishes it from the air conditioning compressors in traditional fuel vehicles. Traditional fuel vehicle compressors are driven by the engine belt, while new energy vehicles (pure electric and hybrid) do not have an engine as a power source. Therefore, they require an electric compressor directly driven by a motor, which simultaneously undertakes the core functions of in-vehicle cooling and auxiliary heating (in heat pump systems).
Description
New Energy Electric Air Conditioning Compressor
The new energy electric air conditioning compressor is the core power component of the air conditioning system in new energy vehicles, and a key device that distinguishes it from the air conditioning compressors in traditional fuel vehicles. Traditional fuel vehicle compressors are driven by the engine belt, while new energy vehicles (pure electric and hybrid) do not have an engine as a power source. Therefore, they require an electric compressor directly driven by a motor, which simultaneously undertakes the core functions of in-vehicle cooling and auxiliary heating (in heat pump systems).
Mainstream Product Types
- Scroll Electric Compressor: The mainstream solution in the market, compact in structure, highly efficient, and reliable, suitable for most pure electric and hybrid vehicles.
- Piston Electric Compressor: Lower cost, but vibration and noise are slightly higher than scroll compressors; mostly used in economy-oriented new energy vehicles.
- High-Voltage Fast-Charging Adaptive Compressor: Designed for 800V high-voltage platform vehicles, with stronger high-voltage resistance, can simultaneously ensure air conditioning operation during fast charging, and has lower energy consumption.
Core Differences from Traditional Fuel Vehicle Compressors
| Comparison Dimensions | New Energy Electric Air Conditioning Compressor | Traditional Fuel Vehicle Compressor |
| Power Source | On-board power battery + permanent magnet synchronous motor | Engine belt drive |
| Control Method | Variable frequency speed regulation, intelligent and controllable | Constant speed or mechanical speed regulation, affected by engine speed |
| Operating Independence | Unaffected by vehicle driving status (can operate even when parked) | Requires engine to start to work |
| Functional Expansion | Can participate in heat pump heating to reduce winter energy consumption | Only responsible for cooling; heating relies on engine waste heat |
| Voltage Level | High voltage (300V-800V) | Low voltage (12V) |
Core Working Principle
- Power Source: Powered by the vehicle's power battery, the compressor piston/scroll disk is driven by a built-in permanent magnet synchronous motor to compress the refrigerant.
- Refrigeration Cycle: The compressor compresses the low-temperature, low-pressure gaseous refrigerant into a high-temperature, high-pressure gaseous refrigerant, which is then sent to the condenser for heat dissipation and becomes liquid. The liquid refrigerant is throttled and depressurized by the expansion valve, enters the evaporator to absorb heat from the vehicle interior, vaporizes back into gas, and then returns to the compressor to complete the cycle, achieving vehicle interior cooling.
- Heat pump synergy (some models): In the heat pump air conditioning system, the electric compressor can work with the four-way valve to switch the refrigerant flow direction, transferring heat from the outside environment to the inside of the vehicle to achieve heating in winter. Compared with PTC heating, this significantly reduces energy consumption and improves range.
Specifications
Compressor Specifications
| Model | NFEZC45 |
| Type | Electric scroll |
|
Refrigerant |
R290 |
|
Work temperature |
-20℃~110℃ |
|
Storage temperature |
-40℃~110℃ |
|
Voltage resistance |
leakage current<10mA@2000V(AC)/50HZ |
|
Electrical isolation |
≥20MQ@1000V(DC) |
|
Displacement |
45CC/r |
|
Speed range |
800-8500rpm(Customizable) |
|
Cooling method |
sucion gas cooling |
|
Refrigerant leakage rate |
≤5g/year |
|
Lubricating oil |
PVE |
|
Shell |
Cast Aluminum Alloy Shot Peening |
|
Total weight (including oil) |
≤7.7kg(including oil) |
|
Install position |
near motor or gear case |
|
Suction inner size |
Φ28.4mm(Customizable)
|
|
Discharge inner size |
Φ15.35mm(Customizable)
|
|
IP rating |
IP67 |
|
Material restrictions |
ROHS compliance, lead free |
|
Mechanical pressure release |
4+0.4Mpa(A) |
|
Suction operating pressure |
0.1~0.5Mpa(A) |
|
Discharge operating pressure |
0.7~2.8Mpa(A) |
|
Maximum operating pressure |
2.8Mpa(A) |
| Corrosion resistance | 500HRs later:functional and less than 5%surface area visual damage |
|
Cleanliness
|
Impurity weight 10mg,size 0.5mm max ,seal inlets and outlets use dust caps for shipping
|
Motor Specifications
|
Motor type
|
PMSM |
| Number of poles | 8 |
| Stator winding Method | Y-type |
| Rated voltage | 600V (DC) |
| Operating voltage range | 400~850V(DC) |
| Rated power | 6.5kw |
| Rated Speed range | 800~8600rpm |
| Maximum power | 7.5kW |
| Motor driver mode | Sine waveform |
|
Magnetic pole detection method |
Position sensorless |
|
Rated voltage (HV) |
600V (DC) |
|
Operating voltage range (HV) |
400-850V(DC) |
| Over voltage value | (Customizable) |
| Under voltage value | (Customizable) |
| Max input current | 12.5A(calculation based on 600V) |
| Max input power | 7.5kW |
| Rated power | 6.5kW |
| Rated voltage (LV) | 12/24V DC |
| Operating voltage range (LV) | 9~32VDC |
| Pressure protection | 2.8Mpa(recommended) | |
| Oil content | 3%~5%(recommended) | |
| Residual oil | 40-80g | |
| Requirements for condenser | Start | 5sCondensate fan runs for 5 seconds before the compressor starts |
| Shut down | 30sCondenser fan continues to run for 30 seconds after compressor stops | |
| Recommended mounting position | At the lowest point in the system (recommended) | |
Performance and Noise Specifications
Test condition：
| Discharge P. | Suction P. | Sub Cooled | Super heat | Ambient temperature |
| 1.5Mpa(A) | 0.3Mpa(A) | 5℃ | 10℃ | ES |
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why choose us?
1. International Certification & Quality Assurance: Our products have passed CE, ISO9001, RoHS, and other international certifications, complying with the import standards of European, American, Southeast Asian, and other global markets, ensuring product quality and safety.
2. Professional R&D & Customization Capability: We have a professional R&D team with 30+ years of experience in low-temperature defrosting technology, which can provide personalized solutions according to your special working conditions and needs.
3. Global After-Sales Service Network: We have overseas service centers and authorized agents in major global markets, providing 24/7 technical consultation, on-site installation guidance, and spare parts supply services to solve your after-sales worries.
4. Competitive Price & Timely Delivery: Relying on large-scale production lines and optimized supply chains, we provide factory-direct prices to enhance your market competitiveness. The minimum delivery cycle is 7-15 days, ensuring that your orders are delivered on time.
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