Attachment_6_-_fortress_inverter_guide_schneider_integration.pdf

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Renew Aged Photovoltaic System at Glacier National
Solicitation number
140P1424Q0004
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This document provides installation and commissioning guidance for integrating Fortress lithium-ion batteries with Schneider Electric solar inverters and charge controllers. It includes detailed instructions for unpacking, installing and connecting multiple Fortress eFlex, eVault and eVault MAX batteries in parallel. Settings are provided for Schneider XW Pro inverters and XW+ and XW Pro MPPT 60/80 charge controllers for closed loop and open loop control. Universal parameter settings, generator settings, firmware update procedures and a state of charge chart are also included. Important notes advise checking that settings are correct for the system type and region.

The related federal contract opportunity is solicitation number 140P1424Q0004 to renew an aged photovoltaic system at Glacier National Park under the Department of the Interior National Park Service Intermountain Region. The document provides technical requirements for the battery and inverter integration for the project.

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Unpack Batteries + Check Voltage

1. Unpack the batteries and turn each battery on by itself.

2. Note the voltage of each battery and serial number. The serial numbers are useful during warranty submittal.

3. The batteries must be within +/-0.5V of each other before commissioning.

Groups of 4 batteries or more may require a narrower voltage range to commission properly.

4. Turn off the batteries and install them in parallel.

Notes If the battery voltages are significantly different, one technique is to finish battery installation and only turn on the lowest voltage battery using the pushbutton.

Charge the battery, and when the charging voltage is ~0.2V above the resting voltage of the next lowest battery, turn it on too. Proceed until all batteries are turned on and at the same voltage level. If the batteries are below 51V, keep charging amperages below 10A per battery.

If the batteries are slightly more than +/-0.5V from each other, turning on the highest voltage batteries only will reduce their voltages, and turning on the lowest voltage batteries only will lower the highest voltage. Likewise, turning on the lowest voltage batteries as a group will raise the lowest voltage. Then, all the batteries can be turned on within a 0.5/V difference.

Use of the Fortress firmware update tool can help speed up commissioning times.

Fortress installers should request a firmware update tool by filling out a support ticket at https://support.fortresspower.com

Schneider Monitoring w/Fortress Schneider has an online monitoring system called the Insight Local and the Insight Cloud.

Two steps are needed to share your system with Fortress:

1) Register the site to the Insight cloud and then share the plant including full admin/manager permissions with techsupport@fortresspower.com.

https://support.fortresspower.com/

2) Submit the system warranty and then include (or later, fill out a support ticket) with the Insight Local username and password.

Warranty Submittal: https://www.fortresspower.com/warranty/ Support Portal: https://www.fortresspower.com/support/

Battery-Battery Connection Note:

The eFlex communication ports are bi-directional and exactly the same - it does not matter which port you use to connect to other batteries.

1. While batteries are off. Install the battery-battery communication cables. Do not over tighten the IP65 weatherproof cap that covers the Ethernet port.

2. Install the IP65 Bus terminator (including the stand-alone Ethernet plug) into one end of the communication circuit on the first and last battery.

3. Proceed turning batteries on and in sequence starting with Battery 1/Master.

https://www.fortresspower.com/warranty/ https://www.fortresspower.com/support/

Note: TheRJ45 pin-out converter is not a simple female-female RJ45 connector! It includes a terminating resistor similar to the other end of the battery communication circuit, but also passes through the inverter communication.

Running on 1 eFlex Running any Schneider Inverter with 1 eFlex is not compliant with Fortress minimum sizing standards.

If operating with one eFlex, please adjust the following settings:

In the Batt Setup Menu, adjust amperage as follows:

If waiting on a repair -> change charge/discharge amps to 60A.

Reminder: Charge deeply discharged eFlex at 10A when recovering below 49V.

Battery-Inverter Connection The eFlex communication ports are bi-directional and exactly the same - it does not matter which port you use to connect to other batteries or the inverter.

1. While batteries are off. Install the battery-battery communication cables. Do not over tighten the IP65 weatherproof cap that covers the ethernet port.

2. Install the IP65 Bus terminator (including the stand-alone ethernet plug) into one end of the communication circuit.

3. Install a ethernet cable into one end of the battery communication circuit to land on the RJ45 pinout converter. The cable on the other side of the RJ45 pinout converter will need to be cut and modified before connecting to the Schneider Insight Home/Gateway. If not using a battery-inverter communication circuit, install an IP65 Bus Terminator instead.

4. User will need an extra LAN Ethernet cable to make connection. Cut and strip the green, brown-white, and brown cables. and proceed to connecting it to the Schneider Insight Home/Gateway ports. Follow the Chart/Images below.

5. Proceed turning batteries on and in sequence starting with Battery 1/Master.

Note: The RJ45 pinout converter is not a simple female-female RJ45 connector! It includes a terminating resistor similar to the other end of the battery communication circuit, but also passes through the inverter communication.

From eFlex5.4kWh Insight Home

InsightHome port 7 green, (wire 6) InsightHome port 9 brown-white (wire 7) InsightHome port 11 brown, (wire 8)

From eFlex5.4kWh to Gateway/Insight Facility green, (wire 6) Gateway/Insight Facility port 16 brown-white, (wire 7) Gateway/Insight Facility port 18 brown, (wire 8) Gateway/Insight Facility port 20

Battery- Battery Connection The eVault MAX uses canbus to communicate from battery to battery.

This occurs over the COM_Parallel ports.

The ports are bidirectional.

Canbus communication requires resistor termination to function without blips.

Fortunately, the eVault MAX has internal canbus resistors!

Terminate these resistors by using the dipswitches in the upper service cabinet within the battery.

The dip switches should be in the ON position for the batteries at the end of the communication circuit.

The dip swiches should in in the OFF position for the batteries in the middle of the communication circuit.

Example - 4 batteries with end battery dipswitch ON and middle battery dipstiches OFF

Number of Batteries

Dipswitch Order

1 ON

2 ON, ON

3 ON, OFF, ON

4 ON, OFF, OFF, ON

ON, OFF, OFF, OFF,

ON

Note: the eVault MAX can parallel up to 20 battery units in closed loop communication.

Battery Touch Screen The eVault has a touch screen. The bottom corners of the eVault are touch interactive.

Battery ID, bottom left Protocol ID, bottom right

Battery ID Number each battery 1,2,3,4,5.... until the end of the battery circuit.

Except, if only installing one eVault MAX, number the battery "0".

Protocol ID 1 = Sol-Ark / Any inverter

2 = SMA

3 = Reserved 4 - Victron 5 = Schneider

Battery -Inverter Connection If using only one battery, make sure the battery ID is set to 0. Turn the terminator switch to 120ohms and place the communication cable into the RS485 port. Finally switch to protocol 5.

1. When paralleling multiple batteries, choose which battery will be the master and which will be the slave. You can do this by Setting the Master battery ID to 1 and set the rest in chronological order.

2. Place the communication cable on the Comm Parallel ports between each battery. To confirm that each battery is properly commissioned, each battery’s status light must be solid green.

3. Switch the protocol ID to 5 on all batteries.

4. Place the remaining Format B Ethernet Cable onto the Rs485 port.

5. Cut and strip the end of the Format B cable

1. connect wire 3 (green/white) from the battery to port 9 of the Insight Home (18 on the Gateway & Insight Facility)

2. connect wire 5 (blue/white) from the battery to port 11 of the Insight Home (20 on the Gateway).

3. connect wire 6 (green) from the battery to port 7 of the Insight Home (16 on the Gateway).

From eVault MAX 18.5kWh to Gateway/Insight Facility green, (wire 6) Gateway/Insight Facility port 16 green-white, (wire 3) Gateway/Insight Facility port 18 blue-white, (wire 5) Gateway/Insight Facility port 20

Battery-Battery Connection It does not matter which battery communication ports are used for battery-battery or battery-inverter communication. The eVault communication ports are bi-directional and accomplish the same functions, regardless of labeling. In other words, you can connect the battery-battery communicaiton cables in any communication ports between batteries, and plug the inverter into either side of the battery-battery communication chain.

One eVault battery:

It is not necessary to use the canbus terminator. Either port can connect to the inverter communication circuit.

One or two eVault batteries:

Place the included canbus terminator on both ends of the communication circuit.

Remove one of the canbus terminators to wire any battery-inverter communication circuit.

Three or more batteries:

Place the included canbus terminator on both ends of the communication circuit and do not wire the battery-inverter communication circuit. Operate the battery in "voltage mode" using "open loop" settings.

Battery Touch Screen

Programming the eVault LCD The eVault has a touch screen. The bottom corners of the eVault are touch interactive.

The bottom left corner of the LCD toggles between the "master" and "slave" status of the battery.

The bottom right hand corner of the screen establishes battery number.

One eVault battery:

Designate the battery as "master" with Parallel Num "1" Two or More eVault batteries:

Designate either end of the battery circuit as "master" with Parallel Num "X" where X is the total number of batteries installed.

Designate the other batteries as "slave" with Parallel Num "X" where X is the total number of batteries installed.

Notes:

1) If running multiple batteries in "Master - 1" mode, please charge all batteries to the same voltage prior to removing the communication cables and running as independent master batteries.

2) When paralleling multiple batteries, one battery may get "stuck" by not opening its relay contactors and flowing amperage in or out of the battery. Toggle the battery between master and slave modes until it clicks on, and then leave in the appropriate master or slave mode. After the battery unsticks, power down and then power back up the battery banks using the push button if convenient.

Battery-Inverter Connection

***Closed loop is only compatible for up to 1 battery. Make sure that each battery is updated to firmware version 7.7.Important! Place the terminator in one of the communication ports (Both TX and RX are common ports) and the communication cable in the other. Set Battery to Master 1

1. To pair both batteries, turn them on pressing the push-button for about 10 seconds and set both batteries to Slave with Parallel Number 2. Turn them off. While batteries are off, connect the communication cables from one battery to another (RS485 ports are common) and end communication with a terminator to the battery that you will choose to be the Slave.

2. Turn Both batteries on. Set one of the batteries to Master.. If paralleling is successful, you should hear a clicking sound on both batteries after this step.

Note: The Master battery will communicate directly with the inverter Insert the remaining Format B Ethernet cable from the Master battery to the Gateway/Insight Home/Insight Facility.

Battery/Inverter Integration

Follow these steps to successfully integrate the battery’s BMS to the XW PRO.

Note: You can integrate the battery's BMS with other Schneider Models using a Gateway or an Insight Home/Facility but will not achieve Closed Loop.

Note: Choose a 19200 BAUD Rate for the eVault Max. Otherwise use a 9600 BAUD Rate for the eFlex and the eVault Classic.

To confirm that the BMS was successfully integrated into the inverter you will see the image of the battery’s BMS on the devices section along with the battery’s internal information/parameters

Associate the Battery/’s as House Battery Bank 1

Under the Setup section >BMS setup choose the battery profile that you are using and the quantity. This will automatically configure your charging settings. Note this will not exempt you from manually programming these settings on the Battery Management Systems section.

Universal Parameter Settings (Closed Loop) To modify device settings, Go to >Devices>Select Device> Configurations. For each setting, please input the following closed and open loop settings in case the battery loses communication with the inverter. To view all features, click on Advanced rather than Basic

Settings for MPPT chargers

Universal Parameters Settings (Open Loop) All Open Loop Settings are programmable with a SCP, Insight Local or/and Insight Cloud.

Disregard the communication cable that would go from battery to inverter.

Settings for Fortress Batteries with Schneider Inverters

Charger Setting > Custom Setting 80% DoD, 6000 cycles Battery Type Custom Charge Cycle 2StgNoFloat Bulk Voltage 54.4 V

Max Bulk Current eFlex:55A per battery eVault:100A per battery eVault MAX 150 per battery LFP-10: 70A per battery

Max Discharge Current eFlex: 60A per battery eVault: 160A per battery eVault MAX:

LFP-10: 100A per battery

Battery Capacity eFlex: 105AH per battery eVault: 360AH per battery eVault MAX: 360AH per battery

LFP-10: 200AH per battery

Max Charge Rate Percentage (%) eFlex:55A per battery eVault:100A per battery eVault MAX 150 per battery LFP-10: 70A per battery

Divided by Total Inverter DC Amperage

Default Battery Temperature Warm Recharge Volts 51.3 Grid Support Volts** 53 Absorb Volts 54.4 Absorb Time 1 Hour

Charge Block Start Default Charge Block Stop Default Advanced Settings > Inverter Settings Low Battery Cut Out Voltage 48V (50V if allowed) LBCO Hysteresis 2.0V LBCO Delay 5 Sec High Battery Cut Out Voltage 61V (58V if allowed) Search Watts Default Search Delay Default

Settings with Schneider Charge Controllers ***Parameter Setting for Fortress Batteries with Schneider XW+ & XW Pro MPPT 60/80

Advanced Setting > Charger Setting Battery Type Custom Custom Setting 80% DoD, 6000 cycles Charge Mode 3 Stage Eqlz Support Disabled Bulk Voltage 54.4 V Absorb Voltage 54.4 V

Absorb Time 60 minutes Float Voltage 54.4 V

Battery Temperature Compensation 0mV/C

Battery Capacity eFlex: 105AH per battery eVault: 360AH per battery eVault MAX: 360AH per battery

LFP-10: 200AH per battery

Max Charge Rate Percentage* eFlex:55A per battery eVault:100A per battery eVault MAX: 150A per battery LFP-10: 70A per battery

Divide by total CC amp output

Charge Cycle Warm Recharge Volts 53 V Absorb Time 1 Hour Default Battery Temperature Warm Battery Voltage (Auto-detected) 48V

Note: The charge controllers can be set to a 3 stage charging cycle, but the inverter should be kept in a 2 stage charging cycle. Doing so, as well as setting the charge controller recharge voltage to be greater than that of the inverter recharge voltage, will prioritize charge controller charging over the inverter charging. Inverter charging is a grid/generator charge which has a lower priority than solar charge controller charging

Important Note Please Note, that these are recommended parameters for specific Mode Settings.

Modes such as Off Grid and Back up require other additional modification aside from this document. Please reference XW Pro Commissioning Guide - Schneider Electric Solar (schneider-electric.com) under Select System type. Make sure that you program the correct Region Settings on your inverter. Finally state the correct Time Zone settings under the Setup section.

Off-Grid Settings for Inverter

Settings for MPPT chargers https://solar.schneider-electric.com/xw-pro-commissioning-guide/ https://solar.schneider-electric.com/xw-pro-commissioning-guide/

AC Coupling, Back Up

***Note: If DC Coupled, disable AC Coupling

*** Note: Disable Grid Selling since Pv is directly connected to meter.

Grid-Tied Export

Self-Consumption (Zero Grid Export)

Generator Settings Generator Settings (Applicable to all Mode Settings) 20% state of charge is approximately 51.2V-51.4V.

95% charge is approximately 53.7V. A 100% charge 54.4V.

NOTE: Voltages are assuming an open circuit resting measurement. The settings that would discharge the battery down to 49V, are too low for Fortress batteries. Fortress batteries should only be intentionally discharged down to 20% SoC or 51.4V and then be recharged by available charging sources.

Firmware Updates

Firmware updates are rarely needed. Most firmware updates solve a minor issue - major firmware updates typically are adding compatibility with new-to-market hardware or to accommodate developments in battery-inverter communication.

Most of our installers use the firmware update tool to confirm proper system commissioning or unlock batteries from their protective modes during a deep discharge.

To update the battery firmware, please visit https://www.fortresspower.com/firmware.

Solar contractors should visit https://www.fortresspower.com/support and request a firmware update tool.

If you cannot determine the instructions, we are happy to assist you with a remotely -there are things we can do before you visit site to make your site visit much easier, and we can also assist you onsite (preferably scheduled in advance).

Firmware update tools are available for sale at https://www.fortresspower.com/products/firmware-update-tool/ However, we recommend end users wait for the Fortress Guardian Hub instead of buying the firmware update tool.

Voltage to % Chart The voltage curve of lithium is very flat from the bottom 20% of the battery to the top 80% of the battery, at which point is becomes rather steep at both ends. It is very easy to tell when a battery is moving towards the bottom or top of its range - the middle bit is hard to guess because it will fluctuate with load. Here is a very loose approximation of Fortress battery voltage and state-of-charge:

Resting Voltage

% State of Charge (SoC)

48V 0

51V 10

51.5V 20

52V 30

52.3V 40

52.4V 50

52.5V 60 https://www.fortresspower.com/firmware https://www.fortresspower.com/support https://www.fortresspower.com/products/firmware-update-tool/ https://zfrmz.com/x6KmArMtYirgTIim1Mjy

52.8V 70

53.2V 80

53.7V 90

>54V 100

Unpack Batteries + Check Voltage
1. Unpack the batteries and turn each battery on by itself.
2. Note the voltage of each battery and serial number. The serial numbers are useful during warranty submittal.
3. The batteries must be within +/-0.5V of each other before commissioning. Groups of 4 batteries or more may require a narrower voltage range to commission properly.
4. Turn off the batteries and install them in parallel. Notes
If the battery voltages are significantly different, one technique is to finish battery installation and only turn on the lowest voltage battery using the pushbutton. Charge the battery, and when the charging voltage is ~0.2V above the resting voltage...
If the batteries are slightly more than +/-0.5V from each other, turning on the highest voltage batteries only will reduce their voltages, and turning on the lowest voltage batteries only will lower the highest voltage. Likewise, turning on the lowest...
Use of the Fortress firmware update tool can help speed up commissioning times. Fortress installers should request a firmware update tool by filling out a support ticket at https://support.fortresspower.com
Schneider Monitoring w/Fortress
Battery-Battery Connection
Running on 1 eFlex
Battery-Inverter Connection
The eFlex communication ports are bi-directional and exactly the same - it does not matter which port you use to connect to other batteries or the inverter.
Battery- Battery Connection
Battery Touch Screen
Battery -Inverter Connection
Battery-Battery Connection
Battery Touch Screen
Battery-Inverter Connection
Battery/Inverter Integration
Universal Parameter Settings (Closed Loop)
Universal Parameters Settings (Open Loop)
Settings for Fortress Batteries with Schneider Inverters
Settings with Schneider Charge Controllers
Important Note
Off-Grid
AC Coupling, Back Up
Grid-Tied Export
Self-Consumption (Zero Grid Export)
Generator Settings
Firmware Updates
Voltage to % Chart

File details come from the government source that posted it. Updated .