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Nebula 1500kW AC-DC Converter PCS for Energy Storage

Nebula 1500kW AC-DC Converter PCS for Energy Storage

In energy storage systems, a PCS AC-DC converter is a device connected between the storage battery system and the grid to facilitate the bi-directional conversion of electrical energy, which serves as the pivotal component in the energy storage system. Our PCS is able to regulate the charging and discharging process of the energy storage battery, and can provide power to AC loads in the absence of the grid.

Our PCS AC-DC Converter utilizes a 1500V high-voltage system, resulting in a substantial increase in energy density and conversion efficiency. This makes it more suitable for handling three-phase unbalanced loads. It is in line with the trend of development for large power plants, rail transportation, military industry, port shore-based operations, petroleum machinery, new energy vehicles, wind power generation, and solar photo-voltaic applications to enable bi-directional energy flow, optimize the quality of the power supply in peak-shaving and valley-filling scenarios, mitigate power fluctuations, facilitate energy recycling, provide backup power supply, and enable new energy grid connection.

 

FEATURES

Strong grid adaptability:
High power quality and low harmonics;
Anti-islanding and islanding operation, support for high/low/zero voltage ride-through, rapid power dispatching
Comprehensive battery management:
Bi-directional charge/discharge management of the battery for life extension.
Wide DC voltage range for diverse battery charging applications.
Multiple operation modes, with pre-charge, constant current /voltage charging, constant power charging and discharging, constant current discharging etc..
Superior conversion efficiency:
Three-level topologies technology for efficient energy conversion rating up to 97.5%;
1.1 times long-term overload operation, providing stronger grid support for overall operations in terms of both efficiency and reliability.
Low standby power consumption and low no-load losses.
Safety and reliability: Automatic grid protection, with fault detection and protection function; real-time monitoring operation, rapid fault location and elimination.
Strong grid adaptation: high power quality and small harmonics.
Anti-islanding and islanding operation, support fault ride-through and fast power dispatch.
Comprehensive battery management: with bi-directional battery charge and discharge management to extend battery life; low interference with BMS interaction, while using detection algorithms to protect safe battery operation; wide DC voltage range, adaptable to a variety of batteries.
High conversion efficiency: three-level architecture, maximum efficiency of 99%; 1.1 times long-term overload operation, providing stronger grid support for high-energy and efficient operation.
Safe and reliable: active grid protection, with monitoring fault and protection functions; real-time monitoring of operating status, rapid fault location and elimination.

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