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ess:design-installation-manual [2019-03-08 14:50]
mvader
ess:design-installation-manual [2019-08-15 11:59] (current)
guy_stewart replace venus-device with GX device
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 === What is ESS? === === What is ESS? ===
  
-An Energy Storage System (ESS) is a specific type of power system that integrates a power grid connection with a Victron Inverter/​Charger,​ [[venus-os:​start|Venus-device]] and battery system. It stores solar energy into your battery during the day, for use later on when the sun stops shining.+An Energy Storage System (ESS) is a specific type of power system that integrates a power grid connection with a Victron Inverter/​Charger,​ [[venus-os:​start|GX device]] and battery system. It stores solar energy into your battery during the day, for use later on when the sun stops shining.
  
 It allows for time shifting power, charging from solar, providing grid support, and exporting power back to the grid. It allows for time shifting power, charging from solar, providing grid support, and exporting power back to the grid.
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 When an ESS system is able to produce more power than it can use and store, it can sell the surplus to the grid; and when it has insufficient energy or power, it automatically buys it from from the grid.  When an ESS system is able to produce more power than it can use and store, it can sell the surplus to the grid; and when it has insufficient energy or power, it automatically buys it from from the grid. 
  
-In the ESS system, there must at least be one inverter/​charger and also a [[venus-os:​start|Venus-device]]:+In the ESS system, there must at least be one inverter/​charger and also a [[venus-os:​start|GX device]]:
  
   * [[https://​www.victronenergy.com/​panel-systems-remote-monitoring/​color-control|Color Control GX]]   * [[https://​www.victronenergy.com/​panel-systems-remote-monitoring/​color-control|Color Control GX]]
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 Configuring ESS in a system which uses a diesel generator as backup - for extended mains failures - can be achieved. Grid code and Loss of Mains configuration will need special attention, see [[ve.bus:​grid-codes-and-loss-of-mains-detection|here]]. Configuring ESS in a system which uses a diesel generator as backup - for extended mains failures - can be achieved. Grid code and Loss of Mains configuration will need special attention, see [[ve.bus:​grid-codes-and-loss-of-mains-detection|here]].
  
-And on the [[venus-os:​start|Venus-device]], select '​Generator'​ as the AC Input type in the Settings -> System setup menu. The system will then enable generator charging; ensure that the generator is properly loaded, and will be automatically switched-off as soon as parameters are met.+And on the [[venus-os:​start|GX device]], select '​Generator'​ as the AC Input type in the Settings -> System setup menu. The system will then enable generator charging; ensure that the generator is properly loaded, and will be automatically switched-off as soon as parameters are met.
  
 === When not to use ESS === === When not to use ESS ===
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   * [[https://​www.youtube.com/​watch?​v=QxoHfBBGnt4&​index=2&​list=PLnKCJA0l3E6bKtlcvIgCy-bB2wvryr5i8|ESS Webinar 2016-12-19 Youtube (ES)]]   * [[https://​www.youtube.com/​watch?​v=QxoHfBBGnt4&​index=2&​list=PLnKCJA0l3E6bKtlcvIgCy-bB2wvryr5i8|ESS Webinar 2016-12-19 Youtube (ES)]]
   * {{ :​ess:​2016_-_ess_training2.pptx |ESS Webinar 2016-12-19 PPT}}   * {{ :​ess:​2016_-_ess_training2.pptx |ESS Webinar 2016-12-19 PPT}}
 +
 +=== Energy Storage System introduction,​ examples and diagrams ===
 +
 +A seperate document that provides further introductory information,​ overviews, and system examples is available to [[https://​www.victronenergy.com/​upload/​documents/​Brochure-Energy-Storage-EN_web.pdf|download here]].
 +
  
 === Advanced control options === === Advanced control options ===
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 Note that ESS can only be installed on Multis and Quattros which feature the 2nd generation microprocessor (26 or 27). All new systems shipped have 2nd generation chips. Note that ESS can only be installed on Multis and Quattros which feature the 2nd generation microprocessor (26 or 27). All new systems shipped have 2nd generation chips.
  
-=== Venus-device ===+=== GX device ===
 The system is managed by the [[https://​www.victronenergy.com/​panel-systems-remote-monitoring/​color-control|Color Control GX (CCGX)]], which also provides extensive monitoring, both locally and remotely via our [[https://​vrm.victronenergy.com/​|VRM Portal]] and the [[https://​www.victronenergy.com/​support-and-downloads/​software#​victron-vrm-app|VRM App]]. The system is managed by the [[https://​www.victronenergy.com/​panel-systems-remote-monitoring/​color-control|Color Control GX (CCGX)]], which also provides extensive monitoring, both locally and remotely via our [[https://​vrm.victronenergy.com/​|VRM Portal]] and the [[https://​www.victronenergy.com/​support-and-downloads/​software#​victron-vrm-app|VRM App]].
  
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   * When using a VE.Bus BMS and a Multi Compact, check the DIP switches: DIP switch 1 must be on, and DIP switch 2 must be off.   * When using a VE.Bus BMS and a Multi Compact, check the DIP switches: DIP switch 1 must be on, and DIP switch 2 must be off.
  
-==== 4.3 Venus-device - ESS Settings ====+==== 4.3 GX device - ESS Settings ====
  
 Navigate to Settings -> ESS, to see this menu: Navigate to Settings -> ESS, to see this menu:
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 Set to '​On'​ to make the Solar Charger always operates at its maximum power point. The first priority is powering the loads, and the second priority is to charge the battery. If more power is available when those two priorities are met, then that power will be fed to the utility grid. Set to '​On'​ to make the Solar Charger always operates at its maximum power point. The first priority is powering the loads, and the second priority is to charge the battery. If more power is available when those two priorities are met, then that power will be fed to the utility grid.
 +
 +Please note that when enabling this option, the DVCC charge current limit configured under Settings -> Limit charge current won't be active. The Solar charger will operate at full power for maximum feed-in into the grid. It's advisable to configure a safe limit on the solar chargers when used with a small battery bank.
  
 === 4.3.5 Phase compensation === === 4.3.5 Phase compensation ===
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 Use the __Fronius Zero feed-in active__ menu item to double check that all above criteria are met. It will show **No** if the firmware requirement;​ the Data export; or the Sunspec Model type settings are incorrect. Use the __Fronius Zero feed-in active__ menu item to double check that all above criteria are met. It will show **No** if the firmware requirement;​ the Data export; or the Sunspec Model type settings are incorrect.
 +
 +Do not use a Fronius Smart Meter for limiting export when part of a Victron ESS System. More details about when a Fronius Smart Meter can, and can not be used is explained [[ac_coupling:​fronius|here]].
  
 === 4.3.12 Grid setpoint === === 4.3.12 Grid setpoint ===
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 This sets the point at which power is taken from the grid when the installation is in self-consumption mode. Setting this value slightly above 0W prevents the system from feeding back power to the grid when there is a bit of over-shoot in the regulation. The default value is therefore 50W - but should be set to a higher value on large systems. This sets the point at which power is taken from the grid when the installation is in self-consumption mode. Setting this value slightly above 0W prevents the system from feeding back power to the grid when there is a bit of over-shoot in the regulation. The default value is therefore 50W - but should be set to a higher value on large systems.
  
-==== 4.4 Venus-device - Scheduled Charging ==== + 
 +==== 4.4 GX device - Scheduled Charging ==== 
  
 === 4.4.1 Introduction === === 4.4.1 Introduction ===
  
-The Scheduled Charging setting is located in the ESS menu of the [[venus-os:​start|Venus-device]]. It allows you to set up to five scheduled periods, during which the system will take power from the grid to charge the battery. This is typically used to charge the battery during off-peak tariff time windows (TOU). For each schedule, configure a start-time, duration, and optionally set the percentage up to which you want the battery to be charged.+The Scheduled Charging setting is located in the ESS menu of the [[venus-os:​start|GX device]]. It allows you to set up to five scheduled periods, during which the system will take power from the grid to charge the battery. This is typically used to charge the battery during off-peak tariff time windows (TOU). For each schedule, configure a start-time, duration, and optionally set the percentage up to which you want the battery to be charged.
  
 If the target state of charge is reached, and it is still within the period of time set, the battery will stop charging but will not discharge (unless there is grid outage). This optimises battery cycling and still allows room in the battery for PV charging. If the target state of charge is reached, and it is still within the period of time set, the battery will stop charging but will not discharge (unless there is grid outage). This optimises battery cycling and still allows room in the battery for PV charging.
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 === 4.4.2 Configuration === === 4.4.2 Configuration ===
  
-Scheduled charging is available as part of ESS. It is accessible on the [[venus-os:​start|Venus-device]] menus under Settings -> ESS. It is only available when the ESS mode is set to Optimised. Scheduled charging naturally makes no sense when the mode is set to Keep Batteries Charged.+Scheduled charging is available as part of ESS. It is accessible on the [[venus-os:​start|GX device]] menus under Settings -> ESS. It is only available when the ESS mode is set to Optimised. Scheduled charging naturally makes no sense when the mode is set to Keep Batteries Charged.
  
 You can see at a glance what is configured, with a summary of the start day, time and duration shown for each. You can see at a glance what is configured, with a summary of the start day, time and duration shown for each.
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 The first matching schedule takes priority. If the two schedules have different SOC limits, the limit of the second matching scheduled charge window takes effect after the first scheduled charge window ends. The first matching schedule takes priority. If the two schedules have different SOC limits, the limit of the second matching scheduled charge window takes effect after the first scheduled charge window ends.
  
-==== 4.5 Venus-device - Other settings ====+==== 4.5 GX device - Other settings ====
  
 === 4.5.1 Settings -> System setup -> AC Input types === === 4.5.1 Settings -> System setup -> AC Input types ===
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 (This 0.1 V is the threshold for 12 V systems; for 24 V the threshold is 0.2 V above; and for 48 V it is 0.4V above.) (This 0.1 V is the threshold for 12 V systems; for 24 V the threshold is 0.2 V above; and for 48 V it is 0.4V above.)
 +
 +==== 6.5 ESS Battery Status Reason Code Numbers ====
 +
 +In addition to the charger states (Bulk/​Absorption/​Float),​ there are additional Discharging and Sustain codes that provide at-a-glance information on the Pages Overview of GX display. ​
 +
 +{{:​ess:​victron_-_ess_codes.jpg?​direct}}
 +
 +The key for these codes is:
 +
 +  * #1: SOC is low
 +  * #2: BatteryLife is active
 +  * #3: BMS disabled charging
 +  * #4: BMS disabled discharge
 +  * #5: Slow Charge in progress (part of BatteryLife,​ see above)
 +  * #6: User configured a charge limit of zero.
 +  * #7: User configured a discharge limit of zero.
 +
 +
 ===== 7. Phase compensation - further information ===== ===== 7. Phase compensation - further information =====
  
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 === Q7: How do the charge states work in ESS? === === Q7: How do the charge states work in ESS? ===
  
-  * The MPPTs are always in the `ESS` state. This indicates that the MPPT is being controlled by the Multi or Quattro via the Venus-device. To view the system state, look at the VE.Bus State.+  * The MPPTs are always in the `ESS` state. This indicates that the MPPT is being controlled by the Multi or Quattro via the GX device. To view the system state, look at the VE.Bus State.
   * While discharging,​ and connected to the grid, the state can still show a charge state, such as Bulk, Absorption or Float. Even though it is not charging. This is normal, nothing to worry about.   * While discharging,​ and connected to the grid, the state can still show a charge state, such as Bulk, Absorption or Float. Even though it is not charging. This is normal, nothing to worry about.
   * When in Float, the system will begin a new charge cycle when the battery voltage has been below the restart-voltage for a certain length of time. This voltage depends on the chosen battery type selected on the charger tab in VEConfigure:​   * When in Float, the system will begin a new charge cycle when the battery voltage has been below the restart-voltage for a certain length of time. This voltage depends on the chosen battery type selected on the charger tab in VEConfigure:​
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 The same applies to other solutions where the wiring is not protected against accidental removing, for example a simple cable with end-user removable plug, such as a portable power supply. The same applies to other solutions where the wiring is not protected against accidental removing, for example a simple cable with end-user removable plug, such as a portable power supply.
 +
 +
 +
 +===== Troubleshooting =====
 +
 +- Start with checking firmware versions (needs to be latest). And when asking questions; report the exact firmware versions that are used.
 +
 +- Check battery type/brand. If lead then it might be unsuitable and probably broken because of the heavy cycling.
 +
 +- If some unknown or unsupported CANbus battery; change the battery to a supported type. 
 +
 +Then; if PV is not used enough to power loads;
 +
 +- Check for the # reason codes; see CODE KEY in this manual.
 +
 +- Check wiring: lots of voltage drop between MPPT and multi will prevent the system from effectively powering AC loads from solar power.
 +
 +- Test with and without SVS enabled.
 +
 +- Next, check MPPT charge current limit during the time that it is not used enough. MPPT CCL is supposed to be high always; even when battery full. Unless there is a temperature issue.
 +
 +- Now check MPPT Charge Voltage Setpoint. It is supposed to be above actual battery voltage.
 +
 +
 +Note that those last two setpoints are determined by software; and calculated based on the setpoints sent by the (CANbus connected) lithium battery: you can't change change them manually. Looking at them however does help understanding why certains things are happening;
 +
 +
 ===== DISQUS ===== ===== DISQUS =====
 ~~DISQUS~~ ~~DISQUS~~
- 
ess/design-installation-manual.1552053008.txt.gz · Last modified: 2019-03-08 14:50 by mvader