ess:design-installation-manual
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ess:design-installation-manual [2020-07-20 14:55] – [9. FAQ] mvader | ess:design-installation-manual [2020-07-29 15:37] – [7.2 Three-phase ESS] marmour | ||
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(Make sure you install the ESS on L1. If it's installed on another phase the visualisation will be wrong.) | (Make sure you install the ESS on L1. If it's installed on another phase the visualisation will be wrong.) | ||
- | ==== 7.2 Three-phase ESS ==== | + | ==== 7.3 Three-phase ESS ==== |
A three-phase ESS system has at least one Multi installed on each phase. We recommend leaving the phase-compensation setting to its default: enabled. | A three-phase ESS system has at least one Multi installed on each phase. We recommend leaving the phase-compensation setting to its default: enabled. | ||
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- When discharge is not allowed -and- loads on AC-Out force the Multi/ | - When discharge is not allowed -and- loads on AC-Out force the Multi/ | ||
- A grid code is in use that requires the enabling of battery discharging by aux-inputs. Check the used grid-code in VEConfigure and compare with the electrical signals provided to the Inverter/ | - A grid code is in use that requires the enabling of battery discharging by aux-inputs. Check the used grid-code in VEConfigure and compare with the electrical signals provided to the Inverter/ | ||
+ | - The Loss of Mains detection (LOM) causes issues, often in combination with a high impedance connectivity to the utility. For details see [[ve.bus: | ||
=== Q5: How can I suppress low battery warnings? === | === Q5: How can I suppress low battery warnings? === | ||
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Switching off in overload, while connected to the grid, is caused by the active Loss of Mains (LOM) detection, linked to the country code as configured in VEConfigure3. | Switching off in overload, while connected to the grid, is caused by the active Loss of Mains (LOM) detection, linked to the country code as configured in VEConfigure3. | ||
- | This behaviour occurs when the AC supplied on the AC-in of the Multi or Quattro is ' | + | This behaviour occurs when the AC supplied on the AC-in of the Multi or Quattro is ' |
For the solution and configuration options, see [[ve.bus: | For the solution and configuration options, see [[ve.bus: | ||
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__Lastly__, check that the rocker switch on the unit is set to On, rather than to Charger-Only. When set to charger-only, | __Lastly__, check that the rocker switch on the unit is set to On, rather than to Charger-Only. When set to charger-only, | ||
+ | |||
+ | __Finally__, | ||
=== Q10: Why does the system refuse to discharge my battery? === | === Q10: Why does the system refuse to discharge my battery? === | ||
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- Now check MPPT Charge Voltage Setpoint. It is supposed to be above actual battery voltage. | - Now check MPPT Charge Voltage Setpoint. It is supposed to be above actual battery voltage. | ||
- | Note that those last two set points are determined by software; and calculated based on the setpoints sent by the (CANbus connected) lithium battery: you can' | + | Note that those last two set points are determined by software; and calculated based on the setpoints sent by the (CANbus connected) lithium battery: you can't change them manually. Looking at them however does help understanding why certain things are happening; |
===== DISQUS ===== | ===== DISQUS ===== | ||
~~DISQUS~~ | ~~DISQUS~~ |
ess/design-installation-manual.txt · Last modified: 2021-01-14 08:35 by marmour