This one is a good basic, it prevents unwanted sleep and sets other helpful parameters. Not a performance setting, not a power-paranoia setting either! It does alter the current power scheme.

# General
powercfg /change monitor-timeout-ac 0
powercfg /change monitor-timeout-dc 15
powercfg /change standby-timeout-ac 0
powercfg /change standby-timeout-dc 120
powercfg /change hibernate-timeout-ac 0
powercfg /change hibernate-timeout-dc 180
powercfg /change disk-timeout-ac 0
powercfg /change disk-timeout-dc 60

# Exposes and zeroes hidden "System unattended sleep timeout"
# which can cause problems
powercfg -attributes SUB_SLEEP 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 -ATTRIB_HIDE
powercfg -setacvalueindex scheme_current sub_sleep 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 0

# Disable hybrid sleep both AC powered and DC
powercfg -setacvalueindex scheme_current sub_sleep 94ac6d29-73ce-41a6-809f-6363ba21b47e 0
powercfg -setdcvalueindex scheme_current sub_sleep 94ac6d29-73ce-41a6-809f-6363ba21b47e 0

# Reapply current power scheme
powercfg -setactive scheme_current