CYESS30KW60KWH
CYTECH
Product Description
Lithium-ion Battery Energy Storage System or Industrial and commercial energy storage system is a system that can store electric energy and supply power, with smooth transition, peak shaving and valley filling, frequency and voltage regulation and other functions. It can smooth the output of solar and wind power generation, and reduce the impact of its randomness, gap and fluctuation on the power grid and users; Charging in the valley price period and discharging in the peak price period can reduce the user's electricity expense; In case of power failure in the large power grid, it can operate independently to ensure uninterrupted power supply to users.
◆ Support photovoltaic access；
◆ Multiple communication methods, supporting remote upgrades；
◆ Ultra high energy density, small size, easy installation and transportation；
◆ Modular design, flexible expansion, convenient transportation and maintenance；
◆ Supports 100% unbalanced load and 110% long-term overload；
◆ Adjustable output power, adjustable charging and discharging power, strong adaptability to the power grid.
| Item | Parameter |
| Rated power | 30KW |
Lithium battery capacity | 61.44KWH |
DC voltage | 240-345.6VDC |
AC voltage | 380VAC |
PV input | |
Working mode | MPPT |
Rated PV input voltage | 500V |
MPPT tracking voltage range | 200V-850V |
Max PV input voltage Voc (Under the lowest temperature conditions) | 500V |
Max PV input power | 39KW |
MPPT tracking channels (input channels) | 6 |
Input | |
DC input voltage range | 200-700V |
Rated AC input range | 220/380VAC 3phase 50/60Hz |
Output | |
Inverter output efficiency | 97% (peak) |
Inverter output voltage | 220/380VAC 3phase 50/60Hz |
Inverter output waveform | Pure sine wave |
City power output efficiency | >99% |
City power output voltage range | Follows the input |
City power output frequency range | Follows the input |
Inverter output waveform distortion | ≤ 3% (linear load) |
Battery mode no-load loss | ≤ 1% of rated power |
AC output rated current | 45.4/43.4A |
Charging method | Three stage charging method (constant current, constant voltage, float charging) |
Lithium battery | |
Standard discharge current | 50A |
Max discharge current | 100A |
Working voltage range | 200-288VDC |
System standard voltage | 256VDC |
Max charging current per group | 50A |
Max charging voltage per group | 57.6V |
Discharge depth | DOD 80% |
Ambient condition | |
Working temperature | -10°C~40°C |
Storage temperature | -15°C~60°C |
Noise | ≤55dB |
Relative humidity | 0%~95%;No condensation |
Application
The lithium-ion battery energy storage system is engineered to mitigate the adverse effects of instantaneous fluctuations in photovoltaic and wind power generation. By deploying an outdoor energy storage system alongside an outdoor battery storage cabinet, the solution rapidly buffers transient variations, ensuring a smoother power output. This advanced renewable energy storage system enhances grid stability by optimizing resource utilization and minimizing wind curtailment.
This system is instrumental in executing precise peak shaving and valley filling strategies, in addition to providing dynamic load smoothing. Its rapid frequency adjustment capabilities are vital for maintaining grid operational stability and reliability. Within microgrid environments, the integration of the lithium-ion battery energy storage system supports the maintenance of dynamic system equilibrium and guarantees voltage stability for critical loads.
Utilizing the lithium-ion battery energy storage system for off-peak electricity consumption enables significant cost savings by capitalizing on the price differentials between peak and off-peak periods. Acting as a reliable backup power source, the system effectively reduces peak electricity demand, thereby contributing to improved economic efficiency and enhanced grid resilience.
