MS-EMS — energy management controller for C&I energy storage
Country: China · Model: MS-EMS
The EMS cabinet runs storage of up to 3.44 MWh and a PV plant of up to 1.6 MW on one connection point. It goes on business sites where storage systems and PV have to follow a common schedule. Inside are the controller, a UPS and a network switch.
- Connection point capacity
- storage ≤ 3.44 MWh, PV plant ≤ 1.6 MW
- Functions
- arbitrage, anti-backflow, transformer protection, power control, backup, SOC balancing
- Interfaces
- Ethernet × 5, optical × 2, CAN × 3, RS485 × 8, RS232 × 3
- Monitoring
- Cloud
Technical specifications
| Connection point capacity | storage ≤ 3.44 MWh, PV plant ≤ 1.6 MW |
|---|---|
| Functions | arbitrage, anti-backflow, transformer protection, power control, backup, SOC balancing |
| Interfaces | Ethernet × 5, optical × 2, CAN × 3, RS485 × 8, RS232 × 3 |
| Monitoring | Cloud |
| Customs codes (for reference) | |
| HS code | 9032.89 |
| UKTZED code (Ukraine) | 9032890000 |
| CN code (EU) | 90328900 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The controller runs tariff arbitrage, charging storage in cheap hours and discharging in expensive ones. Anti-backflow keeps energy from flowing into the grid where the utility contract forbids export. Transformer protection watches the load on the site transformer and shaves the peak with a storage discharge when consumption nears its rating. The controller itself holds a set power level, manages backup and balances SOC across storage units so the batteries wear evenly. The built-in UPS keeps the controller and communications powered when the grid drops. For communications there are 5 Ethernet ports, 2 optical, 3 CAN, 8 RS485 and 3 RS232. Monitoring runs through Cloud.
How to choose
An EMS is needed once a site has more than one storage unit, or when storage runs alongside PV under an export limit. Check two limits per connection point, total storage energy up to 3.44 MWh and PV power up to 1.6 MW. One cabinet can manage, for example, several MS-G215 units of 215 kWh or MC-L522 units of 522.5 kWh as long as the total stays within the limit. The number of PCS units, meters and BMS that connect directly is checked in advance against the ports, 8 RS485 and 3 CAN.
Request a price and lead time
MS-EMS — energy management controller for C&I energy storage. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What PV plant size does the MS-EMS support?
Up to 1.6 MW of PV and up to 3.44 MWh of storage on one connection point.
What interfaces does the MS-EMS have?
5 Ethernet, 2 optical, 3 CAN, 8 RS485 and 3 RS232.
Can the MS-EMS limit export to the grid?
Yes, the controller has an anti-backflow function. It also protects the transformer and controls power.
How does the MS-EMS protect the site transformer?
It tracks the transformer load and discharges storage when consumption approaches the transformer rating.
How is the MS-EMS monitored?
Through the Cloud service, and the cabinet has 5 Ethernet and 2 optical ports for the uplink.
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