Here's the cfg file. I copied it from that of the stock Gigantor solar array and made some changes.
PART
{
name = WPT_Panel
module = Part
author = Leo Wang
MODEL
{
model = Tanabata/Parts/Electrical/WPT_Panel/WPT_Panel
scale = 0.01,0.01,0.01
texture = WPT_Panel_texture, Tanabata/Parts/Electrical/WPT_Panel/WPT_Panel_texture
}
rescaleFactor = 1
node_attach = 0.0, 0.0, 0.0, 1.0, 0.0, 0.0
TechRequired = largeElectrics
entryCost = 14500
cost = 3000
category = Electrical
subcategory = 0
title = WPT Panel
manufacturer = SEDS Japan
description = Deployable panels for the Tanabata satellites. Include WPT antennas on one side and solar cells on the other.
attachRules = 0,1,0,0,1
mass = 0.3
dragModelType = default
maximum_drag = 0.2
minimum_drag = 0.2
angularDrag = 1
crashTolerance = 8
maxTemp = 1200 // = 3200
bulkheadProfiles = srf
thermalMassModifier = 2.0
emissiveConstant = 0.95
heatConductivity = 0.04 // 1/3 the default
tags = #autoLOC_500381 //#autoLOC_500381 = charge deploy e/c elect energ extend fold generat (light panel photo power retract sun track unfold volt watt
MODULE
{
name = ModuleDeployableSolarPanel
isTracking = False
secondaryTransformName = suncatcher
pivotName = suncatcher
resourceName = ElectricCharge
chargeRate = 24.4
animationName = Deploy panels
extendActionName = Deploy <<1>>
retractActionName = Retract <<1>>
extendpanelsActionName = Toggle <<1>>
}
}