Related Manuals for XOLTA BAT-79
Summary of Contents for XOLTA BAT-79
- Page 1 BAT-79 USER MANUAL XOLTA OUTDOOR BATTERY ENERGY STORAGE SYSTEM Advanced energy storage system for renewable energy and grid support applications © 2021 by XOLTA...
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Page 2: Table Of Contents
1.6 Disclaimer ..................................6 1.7 Legal ....................................6 1.8 Copyright ...................................6 Void of warranty ................................7 1.10 Abbreviations ..................................7 XOLTA Battery Energy Storage System Overview Introduction ..................................8 Hardware description ...............................9 System safety ..................................10 2.3.1 Safety measures ..............................10 2.3.2 Internal electrical scheme of the XOLTA outdoor BESS ..................11 2.4 Key specifications ................................12 3. -
Page 3: Safety Information And Legal Terms
1 SAFETY INFORMATION AND LEGAL TERMS: 1.1 Document purpose and structure The purpose of this manual is to provide the user of the XOLTA Outdoor Battery Energy Storage System (BESS) with an overview of system installation, functionality and operation. The document is organized as follows: Chapter 1 sets out important safety information, what to do in emergency situations and a list of abbreviations. -
Page 4: Actions In Case Of Emergency Situations
RISK OF DAMAGE: Do not expose the battery system to temperatures below -25°C or in excess of 50°C Do not place any objects on top of the XOLTA BESS. It might lead to improper product operation or problems with thermal management. - Page 5 • Keep away from the battery and contact emergency firefighters. IMMERSION IN WATER Immersing the XOLTA outdoor BESS in water risks causing a short-circuit and damage to the battery system. ACTION • Do not try to access the XOLTA outdoor BESS. • Disconnect the power (if possible without getting too close to the battery).
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Page 6: Xolta Certified Installers
Lithium-ion batteries must be treated as hazardous waste and not be disposed of with regular waste. A XOLTA battery which has reached the end of its functional life can be returned to the seller that originally sold the battery or to the dealer of a new industrial battery. -
Page 7: Void Of Warranty
XOLTA does not assume any direct or indirect liability for any damage or loss caused if: • The product covered is not continuously connected to the internet via LAN cable, meaning that XOLTA cannot monitor the performance of said product;... -
Page 8: Xolta Battery Energy Storage System Overview
IP55 (dust and water jet ingress). • MODULARITY: The storage system power and energy can be expanded and tailored to specific needs. In total, up to 32 XOLTA battery racks can be connected and operated in parallel providing up to 1MW and 2.5MWh. • MULTIPURPOSE: The system is designed for various applications, from the integration of renewable energy (e.g. -
Page 9: Hardware Description
2.2 Hardware description In this section, different hardware components of the XOLTA outdoor BESS are described. Figure 2.1 presents the schematic drawing of the XOLTA outdoor BESS. Each rack (battery cabinet) of the XOLTA outdoor BESS consists of eight serially connected battery packs (as seen in Figure 2.1. -
Page 10: System Safety
The site controller is installed in the BPU and is connected to the XOLTA Cloud using the Ethernet port shown in Figure 2.2. The Ethernet port ensures communcation between neighboring racks if operating in unison. -
Page 11: Internal Electrical Scheme Of The Xolta Outdoor Bess
All metallic parts of the battery rack, battery packs and BPU are grounded. In addition, all battery converters (PCS) provided as a part of the XOLTA outdoor BESS are grounded and protected with AC fuses and DC and AC relays to ensure safe operation of the PCS. -
Page 12: Key Specifications
Each XOLTA outdoor BESS is delivered as a fully assembled cabinet on a single pallet. It has been carefully checked and tested prior to shipping. However, upon delivery, you should verify visually the state of packaging to make sure that it is in good condition. In case of any visual damage to the packaging, report it to XOLTA support. 3.2 Location requirements •... -
Page 13: Installation Procedure
The XOLTA outdoor BESS has been designed for connection to low voltage three phase 400V AC 50Hz electrical grids. However, the system can also be connected to grids with other voltage levels (e.g. medium voltage level) if appropriate power/voltage conditioning units such as power transformers are in place. Each XOLTA outdoor BESS cabinet (rack) has the following electrical requirements: • 3 P+PE 400V AC 50Hz connection point;... -
Page 14: Installation Overview
3.3.2 Installation overview 3.3.2.1 Typical installation without solar panels The block schematics in Fig 3.3 depict a typical installation of the XOLTA outdoor BESS unit rack without solar panels. Figure 3.3: Typical XOLTA outdoor BESS installation... - Page 15 3.3.2.2 Typical installation with solar panels The block schematics in Fig. 3.4 depict a typical installation of the XOLTA outdoor BESS unit rack with solar panels. PV Installation Figure 3.4: Typical XOLTA outdoor BESS installation Internet with solar panels Connection PV Inverter Eth.
- Page 16 The XOLTA BESS unit terminal connections (Fig. 3.6 and Fig. 3.7) are located at the bottom of the rack. Remove all five screws holding the lower front plate to access the unit terminal connections Fig. 3.7. Figure 3.6: Illustration of the five screws holding the lower front plate Terminal 13 Figure 3.7: Illustration of the terminal functional layout ©...
- Page 17 16mm 16mm 3.3.2.5 Fuse and switch cabinet installation diagram The XOLTA outdoor BESS rack installation procedure can be divided into the following steps: A) Installation of the appropriate fuses with circuit breakers in the fuse and switch electrical cabinet; B) Connection of the cables to the unit terminal;...
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Page 18: System Operation
The grounding resistance should follow local regulations. 3.4 System operation The XOLTA outdoor BESS is intended to be operated from the XOLTA Cloud or via the Web API. System operation is described in Chapter 5. Different operation modes and operation states of the XOLTA system are described in Chapter 4. -
Page 19: Xolta Battery System Functionality
XOLTA outdoor BESS will store the excess solar energy during the day and release it when user consumption exceeds the production of renewable energy production, as shown in Figure 4.1. -
Page 20: External Control
Energy shifted by battery 4.1.2 External control The XOLTA outdoor BESS is able to react to power setpoints received from external systems. An interface (web API) is provided which allows the user to decide the active power (P) and reactive power (Q) controlling the battery system charge or discharge accordingly. -
Page 21: Load Following
Inverter active power –40 Time [day] 4.1.4 Load following Load following is an operational mode used to support a microgrid. The XOLTA system tracks the microgrid consumption in real time and provides power when needed. 4.2 Site controller state machine The XOLTA Energy Storage System (ESS) Site Controller (SC) is a finite-state machine with three distinct states; • SLEEP (idle) •... - Page 22 Load Matching 4.2.1.2 Run state The run state is the operational state of the XOLTA outdoor BESS. In this state, it is able to receive and inject power from and to the batteries according to the associated algorithms defined by the user’s chosen mode (Section 4.1). If there is no charge/discharge request, the inverter will immediately switch to standby.
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Page 23: Transitional Sequences
• AC and DC contactors of inverter opened 4.3 XOLTA outdoor BESS monitoring To monitor your battery, you need to register for the XOLTA Web App and register your battery. Go to app.xolta.com. For the best experience we recommend using the Google Chrome browser. -
Page 24: Web Api
5 WEB API: 5.1 Web API It is possible to receive BESS telemetry data and control a device directly by using the XOLTA cloud API. Please contact support@xolta.com for further information and to get API access. The API gives the possibility to send commands to the device and acquires real-time and historical telemetry data of the site.