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Power Conversion System (PCS): Flexible, Efficient, Versatile
Our PCS offers modular design for flexible power configuration and bi-directional conversion (AC/DC, DC/DC). With a built-in transformer, it supports direct grid connection and self-generation for micro-grid applications. Dual-stage topology ensures wide DC input voltage range. Seamless communication via RS 485, CAN, and Ethernet. Optional PV interface enables hybrid functions. Experience efficient, adaptable power management with our PCS.
A power conversion system (PCS) plays a crucial role in the integration of an energy storage system (ESS).
1. Bidirectional Energy Conversion: The PCS facilitates bidirectional energy flow between the energy storage system and the grid. It allows energy to be stored in the batteries when excess power is generated and to be supplied to the grid when needed.
2. Charging and Discharging Control: The PCS regulates the charging and discharging of the batteries based on various factors such as grid demand, energy generation, and storage capacity. It ensures that the batteries are charged optimally during periods of low demand and discharged efficiently during peak demand.
3. Grid Connection: The PCS manages the connection between the energy storage system and the grid. It ensures that the energy flow is synchronized with the grid frequency and voltage levels to maintain grid stability.
4. Safety and Protection: The PCS includes safety features to protect the batteries and other components of the energy storage system. It monitors parameters such as temperature, voltage, and current to prevent overcharging, over-discharging, and other potential hazards.
5. Remote Monitoring and Control: Many PCSs are equipped with remote monitoring and control capabilities, allowing operators to monitor system performance, adjust settings, and diagnose issues remotely. This enhances operational efficiency and allows for timely maintenance and troubleshooting.
It can be used in the stability of the power system, which can respond to the fluctuation of the load through the rapid storage of electric energy, absorb excess energy or supplement the shortage of energy, realize the dynamic adjustment of high power, and adapt to the frequency adjustment and voltage power factor correction, so as to improve the stability of the system operation.
It can be used in distributed power generation systems such as wind energy and solar energy to ensure the balance and continuity of distributed power supply, effectively improve its power output quality, and improve the ability to access the grid.
It can be used as an emergency power supply to provide power to users during the power failure of large power grids or other power supplies to improve the reliability of power supply.
It can be used to cut the peak and fill the valley of the power grid, which can alleviate the contradiction between supply and demand on the user side, reduce the investment of power generation equipment, improve the utilization rate of power equipment, and reduce the line loss.
It can be used in the micro-grid as the main power supply to provide voltage and frequency support of the micro-grid, so that wind power and photovoltaic power in the micro-grid to supply regional loads.
It can be used for various types of energy storage components to realize the flexible interface between energy storage and the power grid, and can meet the requirements of independent or grid-connected operation.
Model type | AK-PCS1-250K | AK-PCS1-500K | |
Utility-interactive Mode | |||
Battery Voltage Range | 600 – 900 V | ||
Max. DC Current | 550 A | 1100 A | |
Max. DC Power | 275 kW | 550 kW | |
AC Voltage | 400 V +/- 15% | ||
AC Current | 360 A | 720 A | |
Nominal AC Output Power | 250 kW | 500 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 | 550 A | 1100 A | |
AC Output Voltage | 400 V +/- 10% | ||
AC Output Current | 360 A (Max. 396 A) | 720 A (Max. 792 A) | |
Nominal AC Output Power | 250 kW | 500 kW | |
Max. AC Power | 275 kW | 550 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 1000 mm x 1300 mm | ||
Weight | 1600 KGS | 2700 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 |