RampRateType
Type: enum (of string)
Ramp rate curve type.
Must be one of:
"RampRateType.LD_PICKUP"
"RampRateType.LD_DROP"
"RampRateType.OP"
"RampRateType.REG"
"RampRateType.OP_RES"
"RampRateType.INTERTIE"