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7.5. Understanding the Service Lockout

7.5.1. Overview

Service Lockout allows you to put your Nuvation Energy BMS into a Lockout state while you perform
maintenance on your energy storage installation such as loading new configurations, or upgrading the
firmware.

If you are making physical wiring changes, you should enter Service Lockout before powering down
Nuvation Energy BMS.

When in Service Lockout, Nuvation Energy BMS will flag all faults and notify other Operator
Interfaces.

7.5.2. Entering Service Lockout

1. Unlock the Operator Interface by clicking the menu and

Unlock

2. From the menu, select

Service

to bring up the Service page

3. Click

Lockout

to enter Service Lockout



Entering Service Lockout will open all contactors and GPOs



When in Service Lockout, you will not be able to access the Operator Interface
dashboard.

7.5.3. Exiting Service Lockout

1. Unlock the Operator Interface by clicking the menu and

Unlock

Nuvation Energy Stack Switchgear - Product Manual

Document ID: NE-PM-003

Rev 1.0, 2020-09-03

Содержание Stack Switchgear

Страница 1: ...Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 Revision 1 0 2020 09 03 2020 Nuvation Energy...

Страница 2: ...p 46 5 Using the Stack Switchgear 47 5 1 Service Disconnect 47 5 2 Panel Status LEDs 48 5 2 1 Power LED 48 5 2 2 Activity LED 48 5 2 3 Fault LED 48 6 Nuvation Energy BMS Software Setup 49 6 1 Install...

Страница 3: ...Status 65 7 2 The Details Tab 68 7 2 1 Overview 68 7 2 2 Addressing 68 7 2 3 Battery 68 7 2 4 Current Limiter 69 7 2 5 Safety 69 7 2 6 Cell Voltages 70 7 2 7 Thermistor Temperatures 71 7 2 8 Open Wire...

Страница 4: ...Characteristics 84 Environmental Conditions 85 Appendix B Changing the Nuvation Energy BMS Network Configuration 86 BMS Network Configuration 86 Overview 86 Modifying the Network Settings 86 Appendix...

Страница 5: ...y to make it more resilient to brief wiring errors the same circuitry can result in the battery cells being slowly discharged Over time these wiring errors can cause damage to the Cell Interface and o...

Страница 6: ...cities and so high voltage with high current capacity may be present while connecting Nuvation Energy BMS You must use proper electrical safety precautions when handling any part of Nuvation Energy BM...

Страница 7: ...family You can take advantage of the highly configurable browser based user interface and custom tune Nuvation Energy BMS to your specific target application 1 1 About this Manual This Nuvation Energy...

Страница 8: ...in Nuvation Energy Stack Switchgear NUVSSG Datasheet available online at https www nuvationenergy com technical resources Table 1 Nuvation Energy Stack Switchgear variants Maximum Voltage Rating Maxim...

Страница 9: ...bus in the system may be connected to a single Nuvation Energy Battery Control Panel where an Operator Interface provides a unified view and central control of the multi stack system Nuvation Energy C...

Страница 10: ...Figure 3 Stack Switchgear multi stack diagram Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 6 Rev 1 0 2020 09 03...

Страница 11: ...0 7 lbs Its overall dimensions as well as mounting specific ones are shown in Section 2 1 1 4 Please refer to https www nuvationenergy com technical resources for access to CAD files Rack Mount 19 As...

Страница 12: ...respectively Note that third party side support 2 post extension brackets are available though not necessary One example is Hammond Manufacturing s RDAB2U26 product details are available on their web...

Страница 13: ...rests with the aid of shelf mount brackets as shown in Figure 7 Figure 7 Shelf mount Dimensions This section provides detailed drawings of the Stack Switchgear and its mounting provisions Nuvation Ene...

Страница 14: ...Figure 8 Dimensions overall Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 10 Rev 1 0 2020 09 03...

Страница 15: ...Figure 9 Dimensions rack mount 19 Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 11 Rev 1 0 2020 09 03...

Страница 16: ...Figure 10 Dimensions shelf mount Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 12 Rev 1 0 2020 09 03...

Страница 17: ...Figure 11 Dimensions 2 post rack mount 19 Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 13 Rev 1 0 2020 09 03...

Страница 18: ...nergy Stack Switchgear internally includes the following major hardware components Nuvation Energy High Voltage Stack Controller Nuvation Energy High Voltage Power Interface Current measuring shunt Nu...

Страница 19: ...ve sides of the stack Nuvation Energy BMS opens the contactors either by request of an external controller or in fault conditions A third high voltage contactor is used in the pre charge circuit see S...

Страница 20: ...ay for monitoring an external E Stop signal A safety relay is used to ensure the relay cannot fail shorted This relay meets the requirements of the following standards EN 954 1 EN 60204 1 VDE 0113 1 a...

Страница 21: ...4 NUL45 Unused connected to Pin 5 and terminated External Equipment 5 NUL45 Unused connected to Pin 4 and terminated External Equipment 6 RD_N Receive differential pair negative External Equipment 7...

Страница 22: ...ftware registers and the Operator Interface may be not be as intuitive as the aforementioned order i e order of increasing potential Table 4 Link Bus connector pinout Pin Name Description Connected to...

Страница 23: ...positive is at pin 2 and the negative is at pin 3 pin 1 can be left unconnected For available Stack Switchgear options refer to Nuvation Energy Stack Switchgear NUVSSG Datasheet available online at h...

Страница 24: ...tput is connected to the internal 24 V DC power supply One Stack Switchgear unit s E Stop output is capable of driving the E Stop inputs for up to two Stack Switchgear units i e one other Stack Switch...

Страница 25: ...at the bottom of the connector Remove the tool to secure the conductor in place For stranded wires the use of ferrules is recommended Table 7 E Stop pinout Pin Name Description Connected to Device 1...

Страница 26: ...reely enter into the circular opening at the bottom of the connector Remove the tool to secure the conductor in place For stranded wires the use of ferrules is recommended An inline breaker provides t...

Страница 27: ...the internal wiring implementation of the fan control parts shown above Figure 15 Battery cooling fan control wiring diagram Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 23 R...

Страница 28: ...uit Corp LCMA50 8 L Flexible snap on terminal covers are included Table 9 High power connections Name Description Connected to Device Battery Negative terminal of battery stack Battery stack Battery P...

Страница 29: ...itchgear Current Rating A Grounding Wire AWG Copper Aluminum 100 8 6 200 6 4 300 4 2 Figure 16 Grounding stud An M8 lug not included should be used e g Panduit Corp LCMA50 8 L along with an M8 screw a...

Страница 30: ...nterface variant must be used i e all NUV100 CI 12 1 or all NUV100 CI 16 1 or all NUV100 CI 4M12 1 There are 3 variants of the Nuvation Energy Cell Interface The NUV100 CI 12 1 Cell Interface 12 chann...

Страница 31: ...osure to ensure that the metal walls remain a safe distance from the exposed conductor on the PCB Using 1250 V DC as an example the metal walls of the enclosure must be at least 4 2 mm from the neares...

Страница 32: ...he older Cell Interface DIN Mount variant has been discontinued and is NRND not recommended for new design New designs should use Cell Interface Bulkhead variant with the Cell Interface Mounting Brack...

Страница 33: ...Figure 20 Mechanical Drawing of Cell Interface with DIN Enclosure NRND Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 29 Rev 1 0 2020 09 03...

Страница 34: ...on the shelf at the desired location 3 Attach the Stack Switchgear with brackets installed to the shelf For rack installations i e using the NUVP SSG RB 19 1 Install the third party side support angl...

Страница 35: ...ll the Link Bus cable between the Stack Switchgear and the first Cell Interface in the Link Bus chain 7 Install the connection to the battery and the DC bus This step is done with live voltage for thi...

Страница 36: ...ication to the Cell Interface modules above this Cell Interface The amount of current supplied by this connector is the sum of current consumed by all Cell Interface modules above this Cell Interface...

Страница 37: ...des power and communication to this Cell Interface from the Cell Interface modules below this Cell Interface or from the Stack Controller if this Cell Interface is measuring the most negative cell in...

Страница 38: ...onnector provides cell voltage input and a means for balancing the cells The cable wire should be rated for at least 750mA to survive worse case current Pins 8 16 17 and 18 are No Connect in the Cell...

Страница 39: ...ge AWG20 24 stranded Battery Cell Connector for Cell Interface 12 channel Table 16 Cell Interface 12 channel Battery Cell Connector Pin Assignment Pin Connection Description Connected to Device 1 CELL...

Страница 40: ...sense Connect to positive terminal of Cell 7 14 CELL9 Cell 9 voltage sense Connect to positive terminal of Cell 9 15 CELL11 Cell 11 voltage sense Connect to positive terminal of Cell 11 16 No Connect...

Страница 41: ...Figure 21 Example wiring 12 cells in a Cell Interface 12 channel Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 37 Rev 1 0 2020 09 03...

Страница 42: ...nnel Battery Cell Connector Pin Assignment Pin Connection Description Connected to Device 1 CELL0 Bottom reference of Cell Interface Connect to negative terminal of the lowest cell Cell 1 2 CELL2 Cell...

Страница 43: ...est cell Cell 1 11 CELL3 Cell 3 voltage sense Connect to positive terminal of Cell 3 12 CELL5 Cell 5 voltage sense Connect to positive terminal of Cell 5 13 CELL7 Cell 7 voltage sense Connect to posit...

Страница 44: ...Figure 23 Example wiring 16 cells in a Cell Interface 16 channel Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 40 Rev 1 0 2020 09 03...

Страница 45: ...tor Pin Assignment Pin Connection Description Connected to Device 1 CELL0 Bottom reference of Cell Interface Connect to negative terminal of the lowest cell Cell 1 2 No Connect Not Connected No Connec...

Страница 46: ...Not Connected No Connect 12 No Connect Not Connected No Connect 13 No Connect Not Connected No Connect 14 No Connect Not Connected No Connect 15 No Connect Not Connected No Connect 16 No Connect Not C...

Страница 47: ...rom the cell voltage terminals in such a way that they will not make an electrical connection to a cell terminal in the event of vibration failures Connect 10 k NTC thermistors to this connector Table...

Страница 48: ...15 TEMP7_R External Temperature Probe Input 7 10 k NTC Thermistor 16 TEMP8_R External Temperature Probe Input 8 10 k NTC Thermistor For safety certified applications there must be at least two but no...

Страница 49: ...ermal consistency for all temperature measurements for each Cell Interface The constraint is described in detail in the Sensor Fault Detection section within the Nuvation Energy BMS Safety Manual Nuva...

Страница 50: ...k either through a network switch or directly to a computer laptop s network adapter The default IP address of the Stack Switchgear is 192 168 1 21 Refer to the Section 6 for instructions on using the...

Страница 51: ...ut tag out The OFF position is vertical The ON position is horizontal The service disconnect switch removes power to the internal contactors it does not physically break the connection this is done by...

Страница 52: ...Activity LED The ACTIVITY LED blue indicates that the Stack Switchgear is communicating with the Multi Stack Controller or an external controller and is receiving a heartbeat signal Figure 29 Activity...

Страница 53: ...zip the package to a suitable location on your computer 7 ZIP is a free tool that can be downloaded here http www 7 zip org 3 The archive s password is nuvation 4 Releases follow a naming convention s...

Страница 54: ...tion Energy BMS is configured with a static IP address of 192 168 1 21 To connect to a Nuvation Energy BMS that is using the default IP address 1 Go to Control Panel All Control Panel Items Network Co...

Страница 55: ...cable between Nuvation Energy BMS and the network adapter of your PC 6 Open the Nuvation Energy Operator Interface html file in your web browser This is usually done by double clicking on the file If...

Страница 56: ...tors and GPOs When in Service Lockout you will not be able to access the Operator Interface dashboard 6 3 3 Upgrading the Firmware The Upgrade option will become available when Nuvation Energy BMS suc...

Страница 57: ...l remain in Service Lockout You will need to import a valid configuration file before attempting to exit Service Lockout 6 3 4 Troubleshooting During the firmware upgrade if a failure is reported retr...

Страница 58: ...If the failures persist please submit a support ticket with as much detail as possible to support nuvationenergy com Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 54 Rev 1 0 20...

Страница 59: ...tware Reference Manual for details on how to create a configuration file for your setup For Nuvation Energy Low Voltage BMS installations To generate a configuration file visit the nCloud at https ncl...

Страница 60: ...ile To edit the Configuration file open the file in any text editor Please backup the modified configuration file for future use Nuvation Energy BMS doesn t store the file internally it only stores th...

Страница 61: ...file If you are using known good configuration files you should check this box Disabling this option tells Nuvation Energy BMS to not persist the newly imported configuration file On reboot Nuvation...

Страница 62: ...During the configuration file import if you receive a Register Write failure error ensure you have valid entries in your configuration file For details on the various registers and their intended use...

Страница 63: ...een imported 6 6 2 Calibration 1 Refer to the section Measurement Calibration in the Software Reference Manual for steps to calibrate the stack current voltage and temperature measurements 2 Fully cha...

Страница 64: ...ges and information presented in the dashboard it is important to understand what a fault and a warning Nuvation Energy BMS status means A Nuvation Energy BMS Warning indicates the state of the batter...

Страница 65: ...e are no faults or warning This is the normal state for Nuvation Energy BMS 7 1 3 Stack Voltage The stack voltage radial meter shows the total battery stack voltage Refer to the Stack Voltage Threshol...

Страница 66: ...0 and full when the State of Charge value is 100 7 1 6 Depth of Discharge The Depth of Discharge radial gauge shows how much energy has been taken out of the battery stack In an ideal energy storage s...

Страница 67: ...ow and red segments The blue segment depicts the acceptable cell voltage range If a triangle enters the yellow segment a warning has occurred If a triangle enters the red segment a fault has occurred...

Страница 68: ...w and red segments The blue segment depicts the acceptable cell temperature range If a triangle enters the yellow segment a warning has occurred If a triangle enters the red segment a fault has occurr...

Страница 69: ...stack connection state number of cells balancing maximum charge current limit maximum discharge current and the time and date of the last update of the Dashboard Operation Status Nuvation Energy BMS...

Страница 70: ...red oval indicates the battery stack is unavailable to be charged or discharged Stack Pre charging in an orange oval indicates the battery stack has connected its pre charge circuit and is attempting...

Страница 71: ...rator Interface had successfully communicated with Nuvation Energy BMS and updated all items in the Dashboard with values from Nuvation Energy BMS The time and date is based on the local computer tabl...

Страница 72: ...le accordions expanded at the same time Figure 37 Nuvation Energy BMS Operator Interface Details tab screenshot 7 2 2 Addressing The Addressing accordion presents the addressing information for your N...

Страница 73: ...The unit of the current limit values is mA Figure 40 Current Limiter accordion in Details Tab 7 2 5 Safety The Safety accordion contains a comprehensive list of all possible Nuvation Energy BMS faults...

Страница 74: ...ence Manual document Figure 42 Bottom of Safety accordion in Details Tab 7 2 6 Cell Voltages The Cell Voltages accordion lists all installed cell voltage measurements Cells that are not installed are...

Страница 75: ...led thermistor temperature measurements Thermistors that are not installed are displayed as a dash Temperatures in red indicate measurements which have triggered a Nuvation Energy BMS fault There is n...

Страница 76: ...es and collecting the data begins Figure 47 Open Wire aquiring accordion in Details Tab Once the open wire scanning has completed and all diagnostics data is collected it is displayed in a tabular for...

Страница 77: ...Filtering You can filter the display to ratios with values above or below a value you specify Nuvation Energy Stack Switchgear Product Manual Document ID NE PM 003 73 Rev 1 0 2020 09 03...

Страница 78: ...enerate a Configuration File for instructions For instructions on how to modify the configuration file or understand the various registers please refer to the Software Reference Manual for your Nuvati...

Страница 79: ...The page will refresh and try to connect to this new IP 7 3 5 Locking and Unlocking When the Operator Interface is unlocked the lock indicator will be replaced with an unlock indicator Figure 49 Oper...

Страница 80: ...representing the month within that year that this Nuvation Energy BMS package was released The version numbers below the release name are the version numbers of the individual software packages runnin...

Страница 81: ...ice lockout a banner is displayed indicating this to the user Figure 52 Operator Interface Service Lockout indicator Figure 53 Operator Interface Exiting Service Lockout indicator Figure 54 Operator I...

Страница 82: ...ation Energy BMS will flag all faults and notify other Operator Interfaces 7 5 2 Entering Service Lockout 1 Unlock the Operator Interface by clicking the menu and Unlock 2 From the menu select Service...

Страница 83: ...that owns this lockout 7 5 5 Shutdown Timer for Battery Controller To protect your batteries a Low Voltage Battery Controller will automatically shutdown after an hour of being in Service Lockout The...

Страница 84: ...are shown on the right side of the display Refer to the Software Reference Manual to the Troubleshooting section for details on how to address the uninitialized data registers If you just imported a...

Страница 85: ...cleared for Stack Switchgear to close contactors Wait for the connection state to show Connected 3 Using the Operator Interface connect the stack by clicking the Connect button This initiates the con...

Страница 86: ...d in its original packaging via pallet whenever possible When shipping with the Stack Switchgear already installed the product is rated for SAE J2380 random vibration and SAE J2464 shock Nuvation Ener...

Страница 87: ...nt The impact of switching under load is significantly higher than at no load The safety relay fan relay and service disconnect switch s remaining lives are calculated by taking a baseline number TBD...

Страница 88: ...l Parameter Min Typ Max Units Stack Switchgear Configuration 1250 V DC XXX A Vstack_ov Stack Over Voltage Threshold contactors open 0 Configurable 1250 V DC Vstack_uv Stack Under Voltage Threshold con...

Страница 89: ...l Specifications Ta Operating Temperature 10 25 40 C Storage Temperature 10 25 40 C Humidity Specifications RH Operating Relative Humidity 5 65 Storage Relative Humidity 5 65 Nuvation Energy Stack Swi...

Страница 90: ...menu select Registers to bring up the register browser page 3 Under the Manual Register Configuration panel expand the row for Component Name sc_ethernet The sc_ethernet component contains network se...

Страница 91: ...nfiguration has been saved correctly by reading the error register The value will be 0 if no errors have occurred The network settings have been updated Any changes will take effect when Nuvation Ener...

Страница 92: ...Interface The Battery Cells and Temperature Sensors connections on the Cell Interface The Ethernet and CAN interfaces on the Stack Switchgear unit s internal Stack Controller It is acceptable as may b...

Страница 93: ...p in the cabinet This basic tactic has the undesirable effect of creating an air core transformer which will couple EMI into the cable extremely well The best solution to cable length management is to...

Страница 94: ...stackbus_rxwdt trig sc_fault_stackbus_txwdt trig sc_fault_pi_afe_wdt trig sc_fault_controller_wdt trig The informative communication error registers are sc_linkbus_packets operation_read_errors sc_lin...

Страница 95: ...tectors It might be necessary to install an isolation transformer between the inverter and the grid to remove the high current pulses Figure 59 Example Isolation Transformer Installation Diagram Link...

Страница 96: ...s power can be disabled if the observed impact on performance is acceptable The power twisted pair must be disconnected in the Link Bus cable The Link Bus connector on the Stack Switchgear along with...

Страница 97: ...lable technologies client requests emerging energy storage standards and other industry requirements The product specifications in this document therefore are subject to change without notice 2020 Nuv...

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