Industrial and commercial energy storage PCS selection must know the six key indicators
What key indicators should we pay attention to when selecting PCS for industrial and commercial energy storage?
Indicator 1- Efficiency and energy consumption
The power conversion efficiency of PCS is one of the important indexes to measure its performance. High-efficiency PCS can reduce energy loss, improve the overall energy efficiency of the energy storage system, and improve the overall income of the energy storage system. In the selection, we should pay attention to the energy consumption of PCS in different states such as standby and operation, and select PCS with low energy consumption characteristics to help reduce the operating cost of the energy storage system.
Indicator 2-Power and Capacity
The application scenarios of industrial and commercial energy storage systems are diverse, and the power and capacity requirements for PCS are also different. On the one hand, according to the power requirement, the required PCS power should be determined based on the actual power demand of industrial and commercial users and the charging and discharging strategy of the energy storage system. Ensure that the PCS can provide sufficient power to support the charging and discharging processes of the energy storage system. On the other hand, the capacity requirement of the PCS is determined based on the total capacity of the energy storage system. The capacity of the energy storage battery, the charging and discharging multiplier, and the degree of matching between the PCS and the battery need to be considered during the selection process to ensure the efficient operation of the energy storage system.
Indicator 3- Response speed and control strategy
PCS should be able to quickly respond to changes in the power grid load and the charge and discharge needs of the energy storage system. The faster response speed helps to maintain the stability of the power system. Understand the control strategy and algorithm of PCS to ensure that it can intelligently adjust the charge and discharge strategy according to factors such as power grid load and price fluctuation, so as to realize the optimal operation of the energy storage system.
Indicator 4- Safety performance and reliability
Safety is the primary condition for the operation of energy storage system. In the selection, we should pay attention to the safety protection functions of PCS, such as over current protection, over voltage protection, under voltage protection, short circuit protection, etc. In addition, attention should also be paid to the protection level and heat dissipation performance of PCS to ensure that it can still operate stably in harsh environments.
Indicator 5- Compatibility and scalability
Energy storage systems often involve the integration of multiple devices and technologies, so the compatibility of PCS is also a key factor to consider when selecting a model. In the selection, we should pay attention to the compatibility of PCS with energy storage batteries, monitoring systems and other equipment to ensure that they can be seamlessly connected to achieve the overall optimization of the energy storage system.
Indicator 6- Costs and economic benefits
Cost is a factor that cannot be ignored in the selection of industrial and commercial energy storage systems. Consider the acquisition costs, installation costs, and other initial investments associated with PCS. Evaluate PCS 'energy consumption, maintenance costs, and potential upgrade costs, and select PCS with lower long-term operating costs. Combined with the application scenario of the energy storage system and the electricity price policy, the influence of PCS selection on the economic return of the energy storage project is analyzed to ensure that the selection decision is economically reasonable.
FGPCS equipment
FGPCS parameter
Rated power:100kW, 1.1 times long-term operation
DC voltage range:600~900V
AC Voltage Range:400Vac±20%
Three-phase four-wire, four bridge arms, compatible with three-phase three-wire
Three-level NPC topology, maximum efficiency of 98.5%
Intelligent air-cooled, 45℃ ring temperature without derating
Support constant power, constant current, constant voltage and other operating modes
Support single-phase power control, with 100% unbalanced load capacity
Support off-grid black start, planning curve, anti-reverse current, harmonic elimination and other functions.
Supports parallel connection of multiple machines, convenient for capacity expansion
IP20 protection level
As the core equipment of energy storage system, the selection of energy storage converter (PCS) has a crucial impact on the performance, safety and economy of the whole energy storage system.
Air-cooled industrial and commercial energy storage systems
Liquid cooled industrial and commercial energy storage system
In summary, when selecting PCS for industrial and commercial energy storage, key indicators such as efficiency, power and capacity, response speed, safety performance, compatibility and cost should be paid attention to. By comprehensively considering these indicators, we can select PCS products with excellent performance, safety and reliability, and economic and practical, which provide a strong guarantee for the stable operation of industrial and commercial energy storage systems.
