Smart Inverter Refrigerator
The inverter compressor that can operate at variable speeds because it is operated with Inverter Drive. Unlike the standard single-speed compressor, which is either off or operating at full speed (typically about 3,600rpm), the digital inverter compressor is almost always on, but can operate at different speeds, Using the inverter refrigerator drive– from 1,100 to 4,300rpm. This ensures high efficiency and consistent temperature inside the refrigerator. It also results in significant cost savings, a reduced carbon footprint, less noise and a longer lifespan for the compressor. The digital inverter compressor is one of the most important innovations in the history of refrigerators and food preservation.
Our Challenge
- Efficient drive for reciprocating refrigeration compressor.
- Quality Drive at minimal cost of production.
- Fast and Efficient energy saver, sensor feedback system.
- Fully Automated drive system.
Our Outcomes
- Efficient reciprocating refrigeration compressor control system.
- Efficient for LBP compressors.
- Highly power efficient.
- Customizable Solution.
- Blower, Heater, Light, Defrost, Freezer temp and Cabinet temp lines to correspondingpins and monitoring system.
- Efficient control card.
- Monitor card interface between user and refrigerator.
| Target Area | : Domestic, Railway, Industrial |
|---|---|
| Opportunities | : Freezer, Cold storage, Refrigerator, Water Cooler Maximum limits of drive parameters |
| Technologies Used | : Sensorless120˚/ Sensorless180˚ (Trapezoidal/Sinusoidal Current Control) |
| Maximum IPM temperature | : 90 degree |
| Maximum over voltage | : 410vdc(290vac) |
| Minimum Under voltage | : 203vdc(145vac) |
| Over current level (software) | : 2.5A |
| Over current level (hardware) | : 2.7A |
| Over output power | : 250W |
| Acceleration rate | : 2000rpm/sec Communication specification |
| Mode | : Asynchronous Communication UART |
| Rate | : 1200bps (can be configured as per customer demand) |
| Data length | : 8bits |
- Output over current
- Input over voltage
- Input under voltage
- Compressor over heat
- Start lock detection
- Step out detection
- Over input power
- Board over temperature
- Communication over time detection
- Highest Torque efficiency
- Highest Bandwidth
- Widest Speed Range
- Lowest Audible noise
PROTECTION OF EXTERNAL & SELF CONTROL MODES:
- Output over current
- Input over voltage
- Input under voltage
- Compressor over heat
- IPM error protection
- Start lock detection
- Step out detection
- Low voltage warning
- IPM high heat warning
- Over input power
- Communication over time detection
