China PCS & ESS Manufacturers, Suppliers and Factory - Custom PCS & ESS

Your Professional PCS & ESS Supplier!

Zhejiang Shengyang New Energy Co., Ltd., a new energy company established in 2004, specializes in energy storage battery packs, portable power supplies, home energy storage systems, inverters, and other products. Shengyang has established long-term strategic partnerships with thousands of overseas new energy industry clients. We are committed to creating maximum value for our clients and sincerely look forward to collaborating with related companies and industries both domestically and internationally.

52KWh HV Storage System ESS Distributed Cabinet
This high - voltage energy storage system has good adaptability and robustness, and is suitable for applications such as home energy storage systems and telecommunication power supply systems.
2000KW Power Conversion System
High-Redundancy Design: Ensures stable operation in high-altitude environments and full compliance with smart grid standards, supporting grid dispatching with isolated output for safety and
100kW/215kWh AIO ESS Cabinet
All In One DesignSafe & ReliableConvenient & FlexiableSmart & User-friendly

Why Choose Us

Patent Certificate

We have obtained eight patents and ISO 9001 quality management system certification. Our products have received numerous international certifications, including CE, MSDS, and IEC, fully demonstrating our comprehensive strength in technology development and quality management.

Sales Market

Our customers span over 70 countries and regions worldwide, demonstrating our strong market expansion capabilities. We have established a comprehensive service system encompassing technology development, manufacturing, customized solutions, and localized after-sales service, enabling us to provide efficient and professional support to our global customers.

Customization Services

We offer a variety of configuration options to meet our customers' personalized needs. Through scientific system design, rational equipment selection, standardized installation procedures, and comprehensive maintenance services, we ensure a stable and reliable power supply for communications equipment, allowing for flexible adjustments to suit diverse application scenarios.

PCS Specification

Model	SUN-PCS-2000
AC Side Parameters
AC Connection Method (Isolation Method)	Three-phase Three-wire (No Isolation Transformer)
Rated Power	2000KW
Maximum Capacity	2200KVA
Rated Grid Voltage	690V
Voltage Operating Range (Grid-connected)	586~759V
Voltage Operating Range (Off-grid)	690V+5%
Rated Current	1674A
Maximum Operating Current	1841A
Rated Grid Frequency	50Hz/60Hz
Frequency Range	45~55Hz/55~65Hz (Configurable)
THDi (Grid-connected)	<3% (Rated Power)
THDu (Off-grid)	<1% (Linear Load)
Power Factor	0.99 (Leading) ~0.99 (Lagging)
Overload Capacity	1.1x (>10min) 1.2x (>1min)
Rated Power Charge/Discharge Transition Time	<50ms
DC Side (Battery) Parameters
Rated Power	2000kW
Maximum Power	2245kW
DC Voltage Range	1000-1500V
Full Power DC Voltage Range	1035-1500V
Rated Operating Current	1932A
Maximum Operating Current	2169A
Voltage Regulation Accuracy / Voltage Ripple	±1%/<1%
Current Regulation Accuracy / Current Ripple	±2%/<2%
Protection
Low / High Voltage Ride-through	Yes
Anti-Islanding Protection	Yes (Supports Planned Islanding)
AC Overcurrent / Short Circuit Protection	Yes
AC Overvoltage / Undervoltage Protection	Yes
AC Overfrequency / Underfrequency Protection	Yes
Phase Sequence Error Protection	Yes
DC Overcurrent / Short Circuit Protection	Yes
DC Overvoltage / Undervoltage Protection	Yes
DC Reverse Polarity Protection	Yes
Overtemperature Protection	Yes
Insulation Detection	Yes
Power Module (IGBT) Protection	Yes
System
Maximum Conversion Efficiency	99.00%
Dimensions (W x H x D)	1906mm 2264mm 800mm
Weight	1680kg
Maximum Allowable Altitude	6000m (> 4000m Derated)
Standby Loss	<100W
Protection Level	IP21
Noise	<70dB
Operating Ambient Temperature	-35℃~+55℃ (>45℃ Derated)
Storage Ambient Temperature	-40℃~+70℃
Cooling Method	Air Cooling
Allowable Relative Humidity	0~95%, No Condensation
Communication Interface	Ethernet, RS485, CAN2.0
Others
Unbalanced Load Capacity	100%
Multi-unit Parallel Operation	Supported
VSG Mode	Supported

Core Function of PCS

At its heart, a PCS facilitates bidirectional power flow. During charging, it converts AC power from the grid into DC power suitable for the energy storage battery. This capability is especially beneficial in scenarios such as off-peak periods or times when electricity prices are low; the excess or cheaper electricity can be stored in batteries for future use. Conversely, during discharge, the PCS inverts the battery's DC power back to AC for general consumption or for feeding back into the grid. This is advantageous during periods of peak demand or when the grid experiences a shortfall, allowing stored energy to support critical loads and maintain uninterrupted power supply.

In remote or off-grid environments, a PCS can autonomously supply AC power to connected loads without any reliance on the traditional utility grid. This flexibility underlines why PCS technology is indispensable across diverse energy storage deployments.

The Working Mode Of PCS

Grid-connected mode

The grid-connected mode includes charging and discharging functions, at which time the user can choose between automatic mode and manual mode. In automatic mode, if the user selects the grid-connected charging or discharging state, the energy storage inverter will charge or discharge the battery at the previously set value.

Off-grid mode

In this systems, the energy storage systems must be able to act as a network power source, providing voltage and frequency control to the local grid. Off-grid mode can also be used with solar PV systems.

Hybrid mode

The energy storage systems is able to switch between grid-connected mode and off-grid mode. The energy storage systems is in the microgrid, the microgrid is connected to the public power grid, and it operates as a grid-connected systems under normal working conditions, and if the microgrid is separated from the public grid, the energy storage systems will work in the off-grid mode to provide the main power supply for the microgrid.

PCS Applications

Large-Scale Energy Storage:

In utility-scale installations, PCS solutions often operate in the megawatt (MW) range or higher. These systems balance grid supply and demand, stabilize voltage and frequency, and smooth out the intermittent nature of wind and solar farms. Large PCS setups can work in tandem with conventional power plants for fast frequency regulation, enhancing grid stability.

Commercial and Industrial Settings:

Commercial and industrial (C&I) users often deploy PCS with power ratings spanning tens of kilowatts (kW) to several megawatts. By charging during low-cost, off-peak hours and discharging during expensive peak hours, businesses can significantly reduce electricity bills through peak shaving. In the event of grid disturbances, the stored energy—converted via PCS—protects sensitive equipment and maintains continuity.

Residential Energy Storage:

Smaller PCS units, usually in the range of a few kW to around 15 kW, are common in home-based energy storage solutions. These systems pair effectively with rooftop solar panels: the PCS inverts DC power from solar modules to AC for household use, stores any surplus in the battery, and provides backup power in case of outages.

ESS Specification

Item	Pecifcations
Rated energy(kWh)	53.2KWh
Battery Type	LFP
Configuration	10*76S1P
Nominal Voltage(V)	512V
Nominal Capacity(Ah)	104Ah
Working Voltage(V)	432V-584V
Rated charge / discharge Current(A)	100A
Rated charge/ discharge power( KW)	51KW
Working Temperature	-15-45(C)
Cycle life	5000 Cycles
Communication mode	CAN&RS485

The Benefits of ESS

52KWh HV Storage System ESS Distributed Cabinet

Renewables

Renewable energies such as solar panels or wind turbines only produce electricity when the sun is out or the wind is blowing. Supplementing these with ESS allows users to take advantage of the electricity that is generated when the renewable energy technologies are not producing electricity.

Load Leveling

When power generation facilities ramp up and ramp down to keep up with the changing demand for electricity, it puts stress on the system. ESS can help flatten out the demand curve by charging when electrical demand is low and discharging when it is high.

Peak Shaving

ESS allows a user to shift where their electricity comes from by drawing power from the batteries during the higher-cost daytime hours then recharging during the lower-cost nighttime hours. This practice is referred to as peak shaving.

Uninterruptible Power Supply

ESS can provide near instantaneous protection from power interruptions and are often used in hospitals, data centers, and homes.

Applications of ESS

Industrial Energy Storage

Industrial operations, including manufacturing plants and warehouses, often have high energy demands. An ESS can meet these demands efficiently, especially when integrated with renewable energy sources like solar power. By providing a steady backup energy source, these energy storage systems reduce the need for expensive peak-demand energy from the grid and ensure smooth operations, even in case of power outages.

Commercial Energy Storage

In commercial settings—retail chains, office complexes, or large data centers—having a reliable and cost-effective energy storage system is crucial. The industrial & commercial ESS battery housed in outdoor ESS cabinets offers these businesses an opportunity to cut energy costs, manage demand more effectively, and create a more sustainable energy infrastructure.

Renewable Energy Integration

ESS solutions are also ideal for integrating renewable energy systems, particularly solar and wind. These energy storage systems often generate surplus energy during peak production times, which can be stored in the ESS for later use. By harnessing this stored energy, businesses can maximize the efficiency of their renewable energy systems, ensuring that they are using clean energy as much as possible and reducing dependency on the grid.

Off-grid and Remote Installations

In areas lacking access to the traditional power grid, ESS systems provide a reliable energy solution. For remote industrial sites, off-grid communities, or rural areas, these systems can store energy from local renewable sources and ensure a constant power supply. This is especially important for locations where bringing in power lines would be costly or impractical.

Customization Services

To better meet the diverse needs of different industries and customers, we can tailor PCS & ESS professional solutions to your specific application scenarios and special requirements. For further information or support, please feel free to contact us.

Packaging and Shipping

Packaging	Wooden box, PE film
Transportation methods	Road transport, rail transport, sea transport, air transport

FAQ

Q: What are the pros of ESS?

A: Increased use of Renewable Energy.
Cost Savings.
High Initial Costs.
Limited Storage Capacity.
Limited Lifespan.

Q: What is an ESS?

A: An energy storage system, often abbreviated as ESS, is a device or group of devices assembled together, capable of storing energy in order to supply electrical energy at a later time.

Q: What is a PCS?

A: PCS is a kind of electronic circuits for energy conversion, which converts electrical energy of the supply into the energy suitable for the load (e.g., voltage or current with suitable frequency and/or amplitude). As one of the power converters, a DC-to-AC inverter transfers DC power to AC power.

As one of the leading pcs & ess manufacturers and suppliers in China, we warmly welcome you to buy custom made pcs & ess from our factory. Good service and quality products are available.

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