Voltage of auxiliary loop should be avoided too high
when auxiliary loop have connected electrically with
driving system.
(4) Overcorrect cutting device
A protective loop should be used to cut off a least one
connection of battery when current too large.
IV. PERSONNEL SHOCK PROTECTION
Requirements of electric vehicles when there are no
connection with external power supplies. Protection of
electric shock consists of two parts: protection of avoiding
personnel touch directly with electric and protection of
fault of insulating material.
A. Protection of directly contacting with
According to the working voltage of loop, all loops can
be divided into several levels, as shown in table 1.
TABLE 1 CIRCUIT VOLTAGE GRADING