User Tools

Site Tools


victronconnect:mppt-solarchargers

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
victronconnect:mppt-solarchargers [2019-11-08 12:02]
mvader [4.3 Streetlight settings]
victronconnect:mppt-solarchargers [2020-06-30 13:12] (current)
mvader
Line 54: Line 54:
 (If you are operating an [[http://https://www.victronenergy.com/live/ess:design-installation-manual|ESS]] (Energy Storage System) the charge time for this will be included in the 'Bulk' reading.)  (If you are operating an [[http://https://www.victronenergy.com/live/ess:design-installation-manual|ESS]] (Energy Storage System) the charge time for this will be included in the 'Bulk' reading.) 
  
-It is possible to export the history by clicking the three connected dots at the top right of the history screen. +It is possible to export the history as a comma separated file (.csv) by clicking the three connected dots at the top right of the history screen
 + 
 +{{:victronconnect:history_export.jpg?direct&175|}} 
 + 
 +This is an example of the exported data for 3 of 30 days: 
 + 
 +^Days ago^Yield(Wh)^Max. PV power(W)^Max. PV voltage(V)^Min. battery voltage(V)^Max. battery voltage(V)^Time in bulk(m)^Time in absorption(m)^Time in float(m)^Last error^2nd last error^3rd last error^4th last error^ 
 +|0|14500|2167|118.80|51.34|52.99|748|0|0|0|0|0|0| 
 +|1|15450|2326|118.81|51.68|53.97|869|0|0|0|0|0|0| 
 +|2|12350|2925|126.67|51.73|55.42|872|0|0|0|0|0|0| 
 + 
 + 
  
 **Battery Voltage**\\  **Battery Voltage**\\ 
Line 108: Line 120:
 User-defined presets will be stored in the preset library - in this way installers will not have to define all the values each time they are configuring a new installation. User-defined presets will be stored in the preset library - in this way installers will not have to define all the values each time they are configuring a new installation.
  
-By selecting //Edit Presets//, custom parameters can be set as follows:+By selecting //Edit Presets//, or on the Settings screen (with expert mode on or not), custom parameters can be set as follows:
  
-=== Absorption Voltage ===+=== Absorption voltage ===
  
 Set the absorption voltage. Set the absorption voltage.
  
-=== Absorption time limit (hh:mm) ===+=== Adaptive absorption time ===
  
-Set the absorption time limit. Only available when using a custom charge profile.+Select with adaptive absorption time or fixed absorption time will be usedBoth are better explained below:
  
-Enter the time value in the notation hh:mmwhere hours are between 0 and 12; and minutes are between 0 and 59.+//Fixed absorption time:// 
 +The same length of absorption is applied every day (when there is enough solar power) by using the maximum absorption time setting. Be aware that this option can result in overcharging your batteriesespecially for lead batteries and system with shallow daily discharges. See your battery manufacturer for recommended settings.  
 +//Note:// make sure to disable the tail current setting to make the same absorption time every day. The tail current could end absorption time sooner if the battery current is below the threshold. See more information on the tail current setting section below.
  
-The charge algorithm uses an adaptive absorption time: it automatically adapts to the state of charge in the morning. The maximum duration of the absorption period is determined by the battery voltage as measured just before the solar charger begins operation each morning (12V battery assumed):+//Adaptive absorption time:// 
 +The charge algorithm can use an adaptive absorption time: it automatically adapts to the state of charge in the morning. The maximum duration of the absorption period for the day is determined by the battery voltage as measured just before the solar charger begins operation each morning (12V battery assumed):
  
 ^Battery voltage Vb (@start-up) ^ Multiplier ^ Maximum absorption times ^ ^Battery voltage Vb (@start-up) ^ Multiplier ^ Maximum absorption times ^
Line 127: Line 142:
 |      > 12.2V  Vb < 12.6V         x 1/3    |       02:00 hours        | |      > 12.2V  Vb < 12.6V         x 1/3    |       02:00 hours        |
 |          Vb > 12.6V             x 1/6    |       01:00 hours        | |          Vb > 12.6V             x 1/6    |       01:00 hours        |
-The multiplier is applied to the absorption time limit setting and this results in the maximum duration of the absorption period used by the charger. +The multiplier is applied to the maximum absorption time setting and this results in the maximum duration of the absorption period used by the charger. 
-The maximum absorption times shown in the last column of the table are based on the default absorption time limit setting of 6 hours.+The maximum absorption times shown in the last column of the table are based on the default maximum absorption time setting of 6 hours.
  
-Additionally when the charge current decreases below the Tail current, the battery is fully chargedThe Absorption stage ends before the Absorption time has expired. The Tail current is 1A for models 100/20 and smaller; and 2A for larger models.+=== Maximum absorption time (hh:mm) === 
 + 
 +Set the absorption time limit. Only available when using a custom charge profile. 
 + 
 +Enter the time value in the notation hh:mm, where hours are between 0 and 12; and minutes are between 0 and 59.
  
 === Float voltage === === Float voltage ===
 Set the float voltage.  Set the float voltage. 
 +
 +=== Re-bulk voltage offset ===
 +Set the voltage offset that will be used over the float voltage setting that will determine the threshold that the charge cycle will restart.
 +
 +E.g.: For a Re-bulk voltage offset off 0.1V and a float voltage setting of 13.8V, the voltage threshold that will be use to restart the charge cycle will be 13.7V. In other words, if the battery voltage drops below 13.7V for one minute, the charge cycle will restart.
  
 === Equalization voltage === === Equalization voltage ===
 Set the equalization voltage. Set the equalization voltage.
  
-=== Auto Equalization ===+=== Equalization current percentage  === 
 +Set the percentage of the Max charge current setting that will be used when equalisation is performed. 
 + 
 +=== Automatic Equalization ===
 Set-up the frequency of the auto equalize function. Available options are between 1 and 250 days: Set-up the frequency of the auto equalize function. Available options are between 1 and 250 days:
  
Line 148: Line 175:
 Equalization is typically used to balance the cells in a lead battery, and also to prevent stratification of the electrolyte in flooded batteries. Whether (automatic) equalization is necessary, or not, depends on the type of batteries, and their usage. Consult your battery supplier for guidelines. Equalization is typically used to balance the cells in a lead battery, and also to prevent stratification of the electrolyte in flooded batteries. Whether (automatic) equalization is necessary, or not, depends on the type of batteries, and their usage. Consult your battery supplier for guidelines.
  
-When the Automatic equalization cycle has initiated, the charger applies an equalization voltage to the battery as long as the current level stays below 8% (Gel or AGM) or 25% (tubular plate) of the bulk current.+When the Automatic equalization cycle has initiated, the charger applies an equalization voltage to the battery as long as the current level stays below the equalization current percentage setting of the bulk current.
  
 __Duration of the Automatic equalization cycle__ __Duration of the Automatic equalization cycle__
Line 162: Line 189:
 For units without a rotary switch (75/10; 75/15; 100/15 & 100/20) the default battery type is a VRLA battery and any user-defined battery will behave as a tubular plate battery with regard to equalization. For units without a rotary switch (75/10; 75/15; 100/15 & 100/20) the default battery type is a VRLA battery and any user-defined battery will behave as a tubular plate battery with regard to equalization.
  
 +=== Equalisation stop mode ===
 +Set how the equalisation will end. There are two possibilities, first is if the battery voltage reaches the equalisation voltage and the second is on fixed time, where the maximum equalisation duration is used.
  
 +=== Maximum equalisation duration ===
 +Set the maximum time that the equalisation phase will last.
  
-=== Start Equalization now === +=== Tail current === 
-Selecting 'Start Equalization now' allows manual initiation of an Equalization cycle. To allow the charger to equalize the battery properly use the manual equalize option only during absorption and float periodsand when there is sufficient sunlight. Current and voltage limits are identical to the automatic equalize functionThe duration of the equalisation cycle is limited to a maximum of 1 hour when triggered manually. Manual equalization can be stopped at any time by selecting 'Stop Equalize'.+Set the current threshold that will be used to finish absorption phase before the maximum absorption time expires. When the battery current gets below the tail current for one minute, the absorption phase will endThis setting can be disabled by setting it to zero.
  
 === Temperature compensation === === Temperature compensation ===
Line 172: Line 203:
 The configured coefficient is in mV per degree Celsius for the whole battery bank, not per cell. The base temperature for the compensation is 25°C (77°F), as shown in the chart below. The configured coefficient is in mV per degree Celsius for the whole battery bank, not per cell. The base temperature for the compensation is 25°C (77°F), as shown in the chart below.
  
-{{ :victronconnect:temperature_compensation_internal.png?350|Battery voltage adjustment based on internal temperature measurement}}+{{:victronconnect:mppt-tempcomp-graph4.png?350|Battery voltage adjustment based on battery temperature (14.4V as setpoint, compensation factor = 16.2mV/ºC)}}
  
 With a [[:smart_battery_sense_manual|Smart Battery Sense]] is installed; the actual battery temperature will be used for compensation; throughout the day. With a [[:smart_battery_sense_manual|Smart Battery Sense]] is installed; the actual battery temperature will be used for compensation; throughout the day.
Line 184: Line 215:
  
 See the [[victronconnect:ve-smart-networking|VE.Smart Network manual]] for details on what devices are capable of transmitting temperature. See the [[victronconnect:ve-smart-networking|VE.Smart Network manual]] for details on what devices are capable of transmitting temperature.
 +
 +=== Manual Equalization - Start now ===
 +Selecting 'Start now' on 'Manual equalisation' allows manual initiation of an Equalization cycle. To allow the charger to equalize the battery properly use the manual equalize option only during absorption and float periods, and when there is sufficient sunlight. Current and voltage limits are identical to the automatic equalize function. The duration of the equalisation cycle is limited to a maximum of 1 hour when triggered manually. Manual equalization can be stopped at any time by selecting 'Stop Equalize'.
 +
 ==== 4.2 Load output  ==== ==== 4.2 Load output  ====
 This section applies to all products. These settings are typically used on the smaller models which have a dedicated load output (75/10, 75/15, 100/15 and 100/20). This section applies to all products. These settings are typically used on the smaller models which have a dedicated load output (75/10, 75/15, 100/15 and 100/20).
Line 202: Line 237:
   - **Automatic Energy Selector**: Off when Vbatt < Vlow. And On when Vbatt > Vhigh. When conditions are met Load will be on for a pre-selected time. Note; This mode is only available on SmartSolar Models.   - **Automatic Energy Selector**: Off when Vbatt < Vlow. And On when Vbatt > Vhigh. When conditions are met Load will be on for a pre-selected time. Note; This mode is only available on SmartSolar Models.
  
-Note that, by default, the models with a load output have their algorithm selected with a jumper in the VE.Direct port. This can be disabled using the VE.Direct Rx pin configuration (see **4.5** below)Or remove the jumper from the VE.Direct port when using VictronConnect to configure the load ouput operation mode, the drawing below shows where the jumper is located.+Note that, by default, the models with a load output have their algorithm selected with a jumper in the VE.Direct port
 + 
 +  * no jumper -> user selected algorithm in VictronConnect (defaults to BatteryLife algorithm) 
 +  * jumper between pin 1 and 2 -> conventional algorithm 1 
 +  * jumper between pin 2 and 3 -> conventional algorithm 2 
 +  
 +Therefore, to configure an algorithm using VictronConnect, either remove the jumper, or change the VE.Direct RX pin configuration to Remote on/off, see **4.5** below. When a VE.Direct cable is connected, for example to a GX Deviceor a Bluetooth dongle, then the "no jumper" configuration will be active. Both when the GX Device is powered, as well as when its off. The drawing below shows where the jumper is located.
  
 {{:victronconnect:jumper_location.png?200|}} {{:victronconnect:jumper_location.png?200|}}
Line 335: Line 376:
 Available options: Available options:
  
-  - **Remote on/off (This is the default setting on all larger models)**. This setting allows remote on/off control: (0V = switch charger off, +5V (or a signal sent via VE.Direct communication) = switch charger on). An example of this operation is when the unit is connected to a [[https://www.victronenergy.com/accessories/ve-bus-bms|VE.BUS BMS]] (using a [[https://www.victronenergy.com/accessories/ve-direct-non-inverting-remote-on-off-cable|VE.Direct non inverting remote on-off cable, ASS030550300]]).+  - **Remote on/off (This is the default setting on all larger models)**. This setting allows remote on/off control: (Pin to GND = switch charger off, Pin floating or to battery+ (or a signal sent via VE.Direct communication) = switch charger on). An example of this operation is when the unit is connected to a [[https://www.victronenergy.com/accessories/ve-bus-bms|VE.BUS BMS]] (using a [[https://www.victronenergy.com/accessories/ve-direct-non-inverting-remote-on-off-cable|VE.Direct non inverting remote on-off cable, ASS030550300]]).
   - **Load output configuration (This is the default setting on the following models: 75/10, 75/15, 100/15 and 100/20)**. The Tx pin can be used to place a jumper to select load output operation. See Load output chapter (**4.2** above) for details. This only applies to the 10A, 15A and 20A chargers with a load output.   - **Load output configuration (This is the default setting on the following models: 75/10, 75/15, 100/15 and 100/20)**. The Tx pin can be used to place a jumper to select load output operation. See Load output chapter (**4.2** above) for details. This only applies to the 10A, 15A and 20A chargers with a load output.
   - **Load output on/off inverted** This setting reverses the load output on/off control: (0V = switch load output on, +5V = switch load output off)   - **Load output on/off inverted** This setting reverses the load output on/off control: (0V = switch load output on, +5V = switch load output off)
Line 411: Line 452:
 An application for this feature, for example, is to set a minimum generator run-time. An application for this feature, for example, is to set a minimum generator run-time.
  
-===== DISQUS ===== +==== 6. VE.Smart Networking ==== 
-~~DISQUS~~+This option is only available when the connection between the charger and VictronConnect is done over Bluetooth. This menu offers the possibility for the user to create or join an existing VE.Smart Network. By doing that, the user allow data to be exchanged between chargers and sensors. Please, refer to the [[victronconnect:ve-smart-networking|]] manual for more information about the possibilities over that feature.
  
victronconnect/mppt-solarchargers.1573210950.txt.gz · Last modified: 2019-11-08 12:02 by mvader