How SNADI Empowered a South African Dairy with 100% Reliable Cooling Chain
The Mogale Dairy Expansion Project is a large scale dairy facility located in the Limpopo province of South Africa. In the dairy industry, maintaining a continuous milk cooling chain is non negotiable; even a few hours of power failure can result in the loss of an entire day's production.
Prior to the SNADI installation, the Mogale Dairy Expansion project faced three daily system trips and significant milk spoilage due to extreme 48°C temperatures and massive compressor startup currents.
- Extreme Thermal Stress: The facility operates in the Limpopo highveld, where afternoon temperatures average 48°C. Previous generic energy systems suffered from thermal shutdowns during these peak heat hours.
- Massive Startup Currents: The dairy’s milk cooling compressors require massive initial currents to start. The existing generic Battery Management Systems (BMS) were unable to handle these surges, tripping up to three times per day.
- Grid Instability: With an unreliable local grid, the farm faced a 92% uptime rate, which was insufficient to protect their perishable inventory.
SNADI Solar replaced the legacy controllers with a rugged, high performance energy storage solution featuring industrial grade hardware:
- 100kW SNADI TP Series Three Phase Inverter: This low frequency inverter features a built in transformer specifically designed to handle the massive startup currents of heavy motors and compressors.
- 150kWh SNADI LiFePO4 Array: We deployed 10 units of batteries in parallel to provide the high capacity energy reservoir needed. These batteries are built with high safety LFP cells capable of 6,000 cycles.
- Integrated Smart BMS with 2A Active Balancing: The system features SNADI’s advanced Active Balancing technology to ensure all 150kWh of storage remain perfectly synced under high surge stress.
- GPRS Remote Monitoring: Utilizing the integrated communication interfaces, the farm management can monitor battery health and performance in real time via GPRS.
- Intelligent Thermal Management: The smart controller was programmed to intelligently derate charging during the 1:00 PM temperature peaks, preventing the thermal shutdowns common in the African heat.
The system achieved 100% uptime and saved $12,000 in the first quarter alone by eliminating power failure related spoilage events.
- 100% System Uptime: Within the first 30 days of operation, system uptime increased from 92% to a perfect 100%, securing the cooling chain.
- Thermal Resilience: The system successfully managed Limpopo’s extreme heat through automated thermal management, with zero reported shutdowns since commissioning.
- Immediate ROI: By eliminating milk spoilage events, the farm saved an estimated $12,000 USD in the first quarter alone, leading to an exceptionally short 2.8-year payback period.
- Asset Protection: The clean, stable sine wave output of the SNADI inverter protects the life of expensive cooling compressors.
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