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diff --git a/site/docs/documentation/Input/Topology/Battery.md b/site/docs/documentation/Input/Topology/Battery.md new file mode 100644 index 00000000..70492694 --- /dev/null +++ b/site/docs/documentation/Input/Topology/Battery.md @@ -0,0 +1,37 @@ +Batteries can be used to store energy for later use. +In previous work, we have used batteries to store energy from the grid when the carbon intensity is low, +and use this energy when the carbon intensity is high. + +Batteries are defined using the following parameters: + +| variable | type | Unit | required? | default | description | +|------------------|---------------------------|-------|-----------|---------|-----------------------------------------------------------------------------------| +| name | string | N/A | no | Battery | The name of the battery. This is only important for debugging and post-processing | +| capacity | Double | kWh | yes | N/A | The total amount of energy that the battery can hold. | +| chargingSpeed | Double | W | yes | N/A | Charging speed of the battery. | +| initialCharge | Double | kWh | no | 0.0 | The initial charge of the battery. If not given, the battery starts empty. | +| batteryPolicy | [Policy](#battery-policy) | N/A | yes | N/A | The policy which decides when to charge and discharge. | +| embodiedCarbon | Double | gram | no | 0.0 | The embodied carbon emitted while creating this battery. | +| expectedLifetime | Double | Years | yes | 0.0 | The expected lifetime of the battery. | + +## Battery Policy +To determine when to charge and discharge the battery, a policy is required. +Currently, all policies for batteries are based on the carbon intensity of the grid. + +The best performing policy is called "runningMeanPlus" and is based on the running mean of the carbon intensity. +it can be defined with the following JSON: + +```json +{ + "type": "runningMeanPlus", + "startingThreshold": 123.2, + "windowSize": 168 +} +``` + +In which `startingThreshold` is the initial carbon threshold used. +`windowSize` is the size of the window used to calculate the running mean. + +:::info Alert +This page with be extended with more text and policies in the future. +::: |