Integrated Energy Management System
Integrated Comprehensive Energy Management System integrates photovoltaic power generation, lithium battery energy storage system, diesel/biogas generator sets, equipped with intelligent EMS platform. Taking clean PV power as the main power source, energy storage realizes peak shaving and valley filling & power stabilization, while generator sets serve as emergency backup power. Supported by EMS intelligent algorithm to coordinate all power sources automatically, the system supports both grid-connected and off-grid microgrid operation modes. Functions include automatic coordinated power supply, real-time monitoring, fault alarm, remote operation & maintenance, energy consumption data analysis. Widely applied in industrial parks, farms, mines, islands and overseas projects, it effectively cuts power costs, guarantees continuous stable power supply and realizes low-carbon intelligent energy operation.
Core logic: Photovoltaic self use is the main mode, energy storage peak shaving, generator backup backup, EMS unified intelligent scheduling, which can achieve grid connected operation and independent power supply off grid. It is widely used in industrial parks, mines, islands, overseas industrial and commercial areas, large-scale breeding farms, data centers and other scenarios, significantly reducing electricity costs, reducing grid dependence, and ensuring uninterrupted power supply.
Four core units:
- Photovoltaic solar power generation system (the mainstay of clean energy)
- Energy storage system (energy buffering, peak shaving and voltage stabilization core)
- Generator set (diesel/biogas generator, emergency backup power supply)
- Integrated Energy Management System EMS (Brain Dispatch Center)
System Composition
Lithium battery cluster energy storage cabinet, BMS battery management system, PCS energy storage inverter, fire temperature control system, high-voltage distribution unit.
Core functionality
1. Peak shaving and valley filling: Charging and storing excess photovoltaic power during the day; Discharge to supply load when there is insufficient photovoltaic power at night/on cloudy days, reduce peak power grid electricity costs, and reduce generator start-up.
2. Stabilize photovoltaic fluctuations: Cloudy days and cloud cover can cause sudden increases and decreases in photovoltaic power, and energy storage can quickly charge and discharge to stabilize voltage frequency, protecting equipment and generators.
3. Off grid voltage regulation: In scenarios without an external network, energy storage serves as the main power source to provide stable power frequency voltage, while the generator set only serves as a backup.
4. Backup emergency: In the event of a power outage in the grid, millisecond level switching discharge is achieved to achieve uninterrupted power supply and replace UPS long-term backup.
5. Frequency and voltage regulation, reactive power compensation: optimize power quality, reduce harmonics, and minimize equipment failures.
Operation coordination logic
Priority charging and energy storage for photovoltaic systems with electricity;
After the energy storage is fully charged, there is still surplus load, and the generator set can be started and stopped as needed; Insufficient photovoltaic output, priority discharge of energy storage, and automatic start-up of generator sets to replenish energy when the energy storage capacity is below the threshold.
The overall core value of the system
1. Cost reduction and efficiency improvement: Clean energy photovoltaics reduce electricity purchase costs, energy storage peak shaving reduces high electricity bills, reduces the operating time of generator sets, and significantly reduces fuel costs;
2. Stable and reliable power supply: The triple power supply of light, storage, and diesel is redundant, and power outages continue to occur, solving the problem of unstable voltage and losses caused by power outages and shutdowns;
3. Green and low-carbon: Photovoltaic clean energy reduces fossil energy consumption, meets corporate carbon neutrality and environmental assessments;
4. Intelligent unmanned operation: EMS fully automatic scheduling, no need for dedicated personnel to monitor equipment, remote monitoring and maintenance;
5. Adaptation to overseas projects: In countries with weak power grids such as Southeast Asia and Africa, the integrated microgrid of solar energy storage and diesel energy perfectly solves the problems of unstable power grids and frequent power outages.
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info@shieldpowerltd.com
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