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... The G5 High-Voltage BMS is a product family comprising a G5 Stack Switchgear and G5 Cell Interfaces.To purchase spare parts or a kit, please visit the nStore.If you need technical support, please contact our product support team. ... INSTALLING AND SETTING UP THE BMSDownload the following:Product Manual – This PDF contains the full instructions for your BMS. Operator Interface – This zip file contains the interface software to operate your BMS. Review Safety Warnings: The G5 High-Voltage BMS is to be installed in a location with restricted access ... Only skilled persons may install or service a system containing hazardous voltages that are present when the system is energized.Prior to installation, please review the full set of safety warnings provided in the Product Manual.Follow the 'Installation Instructions' in the Product Manual. Wire the BMS and Batteries: Connect the G5 Stack Switchgear unit and G5 Cell Interface modules to your system. Install the Operator Interface: Unzip the contents of the Operator Interface software on your PC and configure your PC to communicate with the BMS. Power on the BMS: The G5 Stack Switchgear can now be powered on and the Operator Interface can be launched.USING THE BMSReview Product Operating Limits: Exceeding the ratings of the BMS product will damage the system.Please review the \u2018Operating Limits’ section in the Product Manual.Using the Operator Interface: The Operator Interface is a browser-based graphical view of the system state, data, and configuration.Follow the \u2018Using the Operator Interface’ section of the Product Manual.If you haven’t already installed and configured the Operator Interface, please follow the Installation Instructions > Operator Interface’ section in the Product Manual.HOW TO DETERMINE YOUR BMS FIRMWARE VERSIONThere are two ways you can find your BMS firmware version:Operator Interface Dashboard: You can find your BMS firmware version in the footer of the operator interface dashboard page.About Tab: You can find your BMS firmware version in the About tab from the settings menu item. ... SOFTWAREBMS Operator Interface | Last Updated: 2025-04-15DOCUMENTSG5 High-Voltage BMS – Datasheet | Last Updated: 2025-03-10G5 High-Voltage BMS – Product Manual | Last Updated: 2025-03-10G5 High-Voltage BMS (CI-36) [Preliminary] - Datasheet | Last Updated: 2025-02-20G5 High-Voltage BMS (CI-36) [Preliminary] - Product Manual | Last Updated: 2025-02-20G5 CI-24 Cell Connection Tester - Product Manual | Last Updated: 2024-04-05Faraday Update 1 – BMS Software Release Notes | Last Updated: 2025-03-09Continuous Balancing Guidelines for G5 BMS – Application Note | Last Updated: 2024-05-01SUPPLEMENTARY FILESMESA Energy Storage (Draft 3) Information Models | Last Updated: 2014-10-01CAD FILESG5 Stack Switchgear | Last Updated: 2025-06-19G5 Stack Switchgear Brackets | Last Updated: 2023-08-18G5 CI-24 Cell Interface | Last Updated: 2025-04-08G5 CI-36 Cell Interface [Preliminary] | Last Updated: 2025-02-20ARCHIVED DOCUMENTSAll publications are current and can be found in the above sections."}]}},"innerBlocks":[],"innerHTML":" ... The G5 CI-24 Cell Connection Tester is a companion tool that can be used to detect wiring errors that could damage a G5 CI-24 Cell Interface module.To purchase this product, please visit the nStore.If you need technical support, please contact our product support team. ... DOCUMENTSG5 CI-24 Cell Connection Tester - Product Manual | Last Updated: 2024-04-05ARCHIVED DOCUMENTSAll publications are current and can be found in the above sections."}]}},"innerBlocks":[],"innerHTML":".

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... The nController provides a unified control interface for an AC-coupled battery energy storage system (BESS) ... It integrates a single- or multi-stack battery system with a power conversion system (PCS), enabling seamless coordination between the battery stacks and the PCS ... The nController allows the BESS to operate as an AC-coupled energy asset, suitable for both grid-tied and microgrid applications. ... Designed for reliability and flexibility, the nController handles real-time control, system monitoring, and communications across key components of the BESS ... The nController simplifies integration with higher-level control systems, manages battery stack balancing and health, and supports secure data access for diagnostics and analytics ... This ensures consistent performance and safe operation across a wide range of energy storage deployments. The standard configuration includes all core functionality necessary for common BESS applications and is ready to deploy with minimal setup ... For projects requiring additional features, custom logic, or integration with other distributed energy resources, Nuvation Energy also offers the nController Extension Program. ... Provides unified control for one PCS per system, selectable from multiple supported models.Provides dispatch interface for higher-level controls.Provides monitoring and control of BESS auxiliary systems via networked digital IO module (purchased separately from supported suppliers). ... Network SecurityUser authenticationEncrypted communicationsProduct authentication checks Built-in firewallSupply Chain SecurityDesigned and manufactured in the U.S ... and CanadaStrict procurement practicesIntensive quality controls ... Enables battery maintenance execution.Provides parallel battery stack management. Provides parallel stack aggregation and intelligent control.Manages 1-16 parallel battery stacks on a shared DC-bus.Calculates State of Charge and Depth of Discharge of the unified energy storage system.Aggregates system-wide faults and warnings and provides battery pack diagnostics.Functions as a data analytics gateway by providing access to battery measurements for data capture. ... Local data logging.Remote Support Monitoring to facilitate pilot system integration support. Optional Touch Screen HMI (Hardware not included).Optional fiber optic networking supported through 10G SFP+ ports.Two form factor options: 1U rack mountCompact form factor, ruggedized (SAE J2464, SAE J2380), suitable for use in mobile applications ... Benefits: clients can manage the BESS applications from their own controller or from one provided by a third party, including Nuvation Energy. This enables endless possibilities for managing a BESS without having to deal with the intricacies of the BESS and PCS integration. How: The nController provides SunSpec Information models over Modbus TCP to enable monitoring and control of the BESS. The nController deals with the details for integration between the BESS and the PCS, allowing the higher-level controller to focus on applications at the power and energy interface level. Architecture: Install an AC-BESS block, configure the nController for the BESS limits, configure the higher-level controller for the application. ... Benefits: cost savings through energy cost arbitration and peak energy demand charge reduction. How: Use a schedule to charge during periods of low energy cost or low energy usage and to discharge during periods of higher energy costs or high energy usage. This works best with predictable loads and pricing schedules. Architecture: Install an AC-BESS block and configure the nController schedule for charging and discharging. ... Benefits: protect your load from power outages by using a BESS to provide backup power for a site. How: keep a reserve of energy in the battery for use when the utility grid is not available. The BESS is configured to form a local microgrid to provide power to the local loads when the site is disconnected from the utility grid. When the utility grid comes back, the BESS coordinates reconnection to the utility grid to provide power to the local loads as well as to recharge the BESS. Architecture: Install an AC-BESS block and an automatic transfer switch or grid protection relay. Configure the nController policies to maintain reserve energy, configure the equipment to coordinate transfer between utility connected operation and microgrid operation. ... Ready to Deploy Management for AC-Coupled BESS.

... We are making a difference by helping accelerate the global transition to cleaner technologies ... What we are doing matters, and that generates a positive energy you can feel ... We make extremely well-built solutions ... We achieve that by taking the time to do engineering right, with rigorous up-front planning, peer input and review, and an uncompromising emphasis on quality. ... We always treat each other, our partners, and our customers, with courtesy and respect ... It's an attitude that creates a very special work environment ... We only hire the smartest people, and they tend to stick around ... You will be challenged, and provided with an opportunity to challenge others. ... “Nuvation has a phenomenal culture where the people are put first ... This stems down from the executive team and creates a culture of respect and trust ... It also creates a very collaborative focus within the organization ... There are very few companies that have this level of positive culture.” ... “Nuvation invests heavily in ensuring the company in-person culture is second-to-none ... They put emphasis on teamwork and approach challenges with transparency and calm ... The products Nuvation Energy builds make a huge meaningful impact on the global scale to support conversion to green energy to tackle climate change.” ... “Due to its roots in design services, there is an amazing variety of projects that occur at Nuvation ... You aren't cramped to one task; instead, you get to flex your entire skillset and build your career.” ... “Nuvation is a wonderful collection of nice people to work with ... From engineers, admin, technicians, people are helpful, kind, and supportive ... There are extremely few internal politics, and no internal empire building ... Management structure is flat ... No-one ever gets thrown into the deep end and hope they swim; the large collection of talent ensures there is always someone there to help.” ... “Fun people: This ethic just enjoying whatever you are doing flows down from the top management ... Variety of work: As an engineer thereI got learn new technologies with each new project ... Learn lots of new skills: You’re resume will never get outdated here.” ... SUSTAINABILITY ... ENGINEERS TO THE CORE ... MUTUAL RESPECT ... EMPOWERED EMPLOYEES.

... Nuvation Energy’s High-Voltage BMS provides cell- and stack-level control for battery stacks up to 1500 V DC ... One Stack Switchgear unit manages each stack and connects it to the DC bus of the energy storage system ... Cell Interface modules in each stack connect directly to battery cells to measure cell voltages and temperatures and provide cell balancing ... This UL 1973 Recognized BMS ensures safe battery operation and significantly reduces the effort of pursuing UL 1973 and UL 9540 certification of the energy storage solution.For parallel stack aggregation, an additional Nuvation Energy Multi-Stack Controller (MSC) can be included in the ESS ... The MSC acts as a central control hub that combines all the Stack Switchgear units and enables the stacks to be managed as a unified battery system. ... From kWh to MWh, the Nuvation Energy High-Voltage BMS manages up to 1500 V DC per battery stack and up to 16 stacks in parallel with the addition of a Multi Stack Controller.Connects and disconnects a battery stack to the DC bus of the ESS in response to requests from system controllers ... Will also report the resulting capacity change to the PCS and other energy management systems.Measures cell- and stack-level voltage, temperature, and current ... Calculates State of Charge (SOC), and Depth of Discharge (DOD) and provides this information to the PCS to enable precise charge/discharge control.Provides battery profile thresholds to the PCS, triggers warnings when approaching safety limits, can activate battery cooling fans.Will alter current limits to protect the battery from overcharge and over-discharge as well as to reduce battery temperature and to prevent over-voltage.Utilizes a pre-charge circuit when connecting the stack to the DC bus, to prevent current surges and voltage mismatches that could damage cells.Disconnects batteries from the power path if safety thresholds are exceeded during ESS operation.Includes short-circuit protection. ... Designed specifically for lithium-ion battery chemistries, Nuvation Energy’s new fifth-generation battery management system supports up to 1500 V DC battery stacks and modules that use cells in the 1.6 V - 4.3 V range ... The G5 BMS offers cutting edge features such as continuous cell balancing and the ability to manage up to 36 battery cells with each series-connected Cell Interface module ... Updates from the G4 BMS also include optimizations that significantly reduce the cost of wiring within the battery stack ... The result is an average 25% reduction in the cost per kilowatt-hour footprint of the BMS (over the Nuvation Energy G4 BMS, based on a 1500 V DC energy storage system) ... The G5 BMS is UL 1973 Recognized for Functional Safety and is CE Compliant.Watch the video of an interview with Nuvation Energy CEO Michael Worry, where he walks us through the G5 High-Voltage BMS and what makes it special. ... Nuvation Energy’s fourth-generation battery management system supports battery modules with cells in the 0-5 V range, and monobloc cells in the 5-20 V range ... It is an excellent solution for a wide range of battery types, supporting all lithium chemistries along with zinc, lead acid, supercapacitors and many more chemistries with special characteristics ... Deployed in hundreds of energy storage installations worldwide, this versatile and field-proven BMS is UL 1973 Recognized for Functional Safety..