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XMX Platform/Charging Off-Bike

5,143 bytes added, 20:52, 5 August 2021
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<onlyinclude>
;Goal
: The [[XMX Platform]] FX/FXS models have [[Power Pack Module|removable power pack modules]] that can be charged while off the bike.
: '''NOTE:''' 2017 models do not have modular packs unless requested as an extra-cost option.

;Motivations
* Charging packs off the bike can be useful when the bike is parked where there is no power available.
* It can also be faster because the external chargers have higher wattage and can be combined using Y adapters.
* Swapping fully charged packs with a depleted ones is by far the fastest way to recharge an electric motorcycle; it can be done in minutes.

;Notes
* The power packs are easily removed but they weigh over 40 pounds (19 kg) each, so handling requires strength and care.
* To use two separately-charged packs together, it is best to charge them to the same voltage / SoC.
*: The bike tries to use both packs equally at the same time.
*: If one has a higher charge state, it will use it until it matches the lower-charged one and then use both together.
*: That can reduce the bike performance at high speeds and torque demand since it can't use both packs when they are unbalanced.

;Cabling
: Connecting external chargers to the power packs requires the [http://www.zeromotorcycles.com/shop/index.php?main_page=product_info&cPath=15_5&products_id=186&zenid=96opflrmbs8v0mvbjcclcqdo53 Power Pack Module Charging Adapter] sold by Zero for $140 each.
: [[File:Pack adaptor.png|360px|Power Pack Module Charging Adapter Wiring]]
: Combining external chargers for one Power Pack module requires the [http://www.zeromotorcycles.com/shop/index.php?main_page=product_info&cPath=15_5&products_id=196&zenid=96opflrmbs8v0mvbjcclcqdo53 Quick Charger Y Adapter] sold by Zero for $250 each.
:: Each Y cable joins 2 chargers. Joining 4 chargers requires 3 cables; two cables join each pair of chargers, and then the third cable joins the output of each Y cable.
: '''DIY OPTION:''' See the [[Gen2/Fabricate Charger Y-Cable|Y-Cable instructions]] to make one using [[Anderson connector|Anderson connectors]].

;Configurations
: A wide variety of charging connections can be used on and off the bike with various charging rates and AC power requirements.
: Here are the possibilities using various [[Chargers|chargers]] combined with the [[Onboard Charger|onboard 650W Calex charger]] in some cases.
: The [[C-Rate]] is computed for a [http://www.zeromotorcycles.com/shop/index.php?main_page=product_info&cPath=15_5&products_id=229 ZF3.3 Power Pack Module] shipped on 2016-2017 models.
:: [http://www.zeromotorcycles.com/zero-fx/2013/specs.php Older models] carrying a [http://www.zeromotorcycles.co.il/zero/shop/index-main_page=product_info&products_id=190.php.html ZF2.8] will require multiplying this rate by 1.17.

{| class="wikitable sortable"
|+ Charging Configurations
!colspan="4"|
!colspan="3"|Chargers
!colspan="2"|Circuit Rating
|-
!External Model
!Per-Unit Power
!Rate
!Packs
!Onboard
! style="text-align:left;" |External
!Y-cables
!@ 120V
!@ 240V
|-
|rowspan="2"|N/A
|rowspan="2"|0
|0.10C||2
|rowspan="2"|✓
|rowspan="2"|0
|rowspan="2"|0
|rowspan="2"|15A
|rowspan="2"|10A
|-
|0.20C||1
|-
|rowspan="10"|[[Zero Quick Charger|OEM Quick Charger]]
|rowspan="10"|1kW
|-
|0.14C||2||✗||1||1 if off bike
|rowspan="3"|15A
|rowspan="3"|10A
|-
|0.24C||2||✓||1||0
|-
|0.28C||1||✗||1||0
|-
|0.28C||2||✗||2||1 if on bike||20A||10A
|-
|0.38C||2||✓||2||1||25A||15A
|-
|0.55C||1||✗||2||1 if on bike||20A||10A
|-
|0.55C||2||✗||4||3||50A||25A
|-
|0.65C||2||✓||4||3||50A||25A
|-
|0.75C||1||✓||2||1||25A||15A
|-
|rowspan="3"|[[Hollywood Electrics/Elcon 2500|Elcon 2500]]
|rowspan="3"|2.5kW
|0.44C||2||✗
|rowspan="3"|1
|rowspan="3"|0
|rowspan="3"|&ndash;
|rowspan="3"|15A
|-
|0.54C||2||✓
|-
|0.87C||1||✗
|-
|rowspan="2"|[[DigiNow/Super Charger|DigiNow SuperCharger]]
|rowspan="2"|3.3kW
|0.58C||2||✗
|rowspan="2"|1
|rowspan="2"|0
|rowspan="2"|&ndash;
|15A
|-
|0.68C||2||✓||20A
|}

;Over-Rating Configurations
* 4 [[Zero Quick Charger|OEM Quick Chargers]] with one pack exceeds the [[Main Contactor#Contactor_Limits|1C contactor limit]].
* 1 [[DigiNow/Super Charger|DigiNow SuperCharger]] exceeds 1C for one Power Pack Module unless de-rated in the firmware below 3.3kW.

;Power Pack Discharge / Diagnostics Adapter
[http://electricmotorcycleforum.com/boards/index.php?topic=7116 Single Brick off bike Pack SOC tester, close contactor]
A variation of the DIY charging adapter, this controls the enable signal for testing.
: [[File:Pack discharge adaptor.png|360px]]
; [https://www.youtube.com/watch?v=-pjosOHyMdU Zero FX Single Battery Block Hack] video on YouTube:
:: {{#ev:youtube|-pjosOHyMdU}}

Packs that are off the bike can be monitored to determine the state of charge by measuring the voltage:
* Use a DVM with probes as shown to get a reading between 90 and 117 volts.
: [[File:measure pack voltage.jpg|400px]]
* Then use these graphs to find the approximate charge level that the bike will report.
: {|
|[[File:voltage vs soc.png|300px|Voltage vs SoC]]
|[[File:soc vs voltage.png|300px|SoC vs Voltage]]
|}
</onlyinclude>

[[Category:Advanced Modification]]

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