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Power Conditioning System integrates the energy storage converter and photovoltaic inverter, which can efficiently use photovoltaic power generation, reduce the installation site workload, reduce the integration difficulty of integrators, and meet the light storage integration application of small and medium-sized micro-grid and industrial and commercial buildings. The Power Conditioning System can be directly connected to the photovoltaic panel for charging, eliminating the loss in the transmission process, improving the stability of the output current, and making the charging process more efficient. It can also be used as an integrated optical storage machine to convert the photovoltaic output current into available electricity for the grid and improve economic efficiency.
Flexible configuration, with maximum power photovoltaic power generation
The optical storage unit can access up to twice the equipment capacity power, up to 200kW, improving the flexibility of product configuration in areas without power. The product comes with MPPT photovoltaic maximum power tracking function, which can detect the power generation voltage of photovoltaic panels in real time, so that the system can charge the battery with the maximum power output, and increase the power generation of the system.
Realize seamless switching between connected and off-grid
In conjunction with STS, seamless off-network switching can be achieved. In the event of power failure, rainstorm, line failure and other emergencies, it can achieve seamless switching with load within 0-20ms to ensure the continuity of power consumption and avoid economic losses caused by power failure.
Global product certification
ARK has established a total quality management system for R & D, production, sales and service, and has passed ISO9001, ISO14001, ISO45001 and other management system certifications.
Photovoltaic self-use application scenarios
When the electricity generated by the photovoltaic system is sufficient, the priority is to supply power to the load, the excess electricity is charged to the battery, and the remaining electricity is sold to the grid. When the power generated by the photovoltaic system is insufficient or the photovoltaic system does not generate power, the battery power is preferentially used to supply power to the load, such as the battery power is insufficient, then the power grid supplies power to the load. When the photovoltaic system and the battery are unable to supply power, the power grid supplies power to the load.
Application scenarios of microgrids
The photovoltaic energy is preferentially stored in the battery, and the remaining power supplies the load. When the photovoltaic energy is insufficient, the energy storage battery supplies the load first, and then the diesel generator supplies the load when the energy is insufficient.
Backup power supply application scenario
When the mains power is off, it automatically switches to the off-grid load mode to ensure that the load does not lose power, and supports off-grid black start to ensure emergency load power supply.
A power conversion system (PCS) serves as a vital link between energy storage batteries and the power grid, enabling bidirectional energy conversion. When excess power is generated, the PCS charges the batteries, while it supplies stored energy to the grid when extra power is required. Consisting of AC/DC bidirectional converters, control units, switching elements, and cooling mechanisms, the PCS is a complex system.
Multiple layers of remote control are integrated into the system, facilitating precise regulation of battery charging/discharging and grid power supply. These controls are essential for maintaining the stability of the energy storage system. Additionally, the PCS interfaces with the battery management system (BMS) through various protocols like RS-485, CAN, Fibre-Optics, and Ethernet. This enables real-time monitoring of battery pack and cell conditions, ensuring safe charging and discharging operations and uninterrupted energy storage system functionality.
Model type | AK-PCS1-50K | AK-PCS1-100K | AK-PCS1-150K | ||
Utility-interactive Mode | |||||
Battery Voltage Range | 600 – 900 V | ||||
Max. DC Current | 110 A | 220 A | 330 A | ||
Max. DC Power | 55 kW | 110 kW | 165 kW | ||
AC Voltage | 400 V +/- 15% | ||||
AC Current | 72 A | 144 A | 216 A | ||
Nominal AC Output Power | 50 kW | 100 kW | 150 kW | ||
AC Frequency | 50 Hz / 60 Hz +/-2.5 Hz | ||||
Output THDi | ≤ 3% | ||||
AC PF | -1 to 1 | ||||
Stand-alone Mode | |||||
Battery Voltage Range | 600 – 900 V | ||||
Max. DC Current | 110 A | 220 A | 330 A | ||
AC Output Voltage | 400 V +/- 10% | ||||
AC Output Current | 72 A (Max. 79 A) | 144 A (Max. 158 A) | 216 A (Max. 237 A) | ||
Nominal AC Output Power | 50 kW | 100 kW | 150 kW | ||
Max. AC Power | 55 kW | 110 kW | 165 kw | ||
Output THDu | ≤ 3% (Linear load) | ||||
AC Frequency | 50 Hz / 60 Hz | ||||
Overload Capability | 110%: 10 min 120%: 1 min | ||||
Physical | |||||
Peak Efficiency | ≥ 97% | ||||
Cooling | Forced Air Cooling | ||||
Noise | ≤ 70 dB | ||||
Enclosure | IP20 (IP54 optional with outdoor cabinet) | ||||
Max. Elevation | 3000 m (> 2000 m derating) | ||||
Operation Ambient Temperature | -20°C – +50°C, derating over 45°C | ||||
Humidity | 5% – 95% non-condensation | ||||
Dimension (H x W x D) | 2100 mm X 800 mm x 1000 mm | ||||
Weight | 700 KGS | 1000 KGS | 1100 KGS | ||
Installation | Vertical Installation | ||||
Other | |||||
Isolation | Built-in Transformer | ||||
Protection | OTP, AC OVP / UVP, OFP / UFP, AC Phase Reverse, Fan/Relay Failure, OLP, GFDI, Anti-islanding | ||||
AC Connection | Grid connected: 3-phase + PE Off-grid: 3-phase + N + PE | ||||
Display | 10.1” Touch Screen | ||||
Support languages | English (other languages upon request) | ||||
Communication | RS 485, CAN, Ethernet |