Answer / prabhu

dc machines is not prefer to use at place where flamming
gases are coming out because it requires brushes and
commutator arrangements. it causes sparking during the
operations.
so we can go for Induction motors,preferable squrrle cage
induction motor are used. there are two types of IM.there
are i]slip ring IM ii]squrrle cage IM.
in the first one slip ring IM, it also not preferable
beacuse of slip ring arrangements. it also cause sparking.
second one squrrle cage is completely safe there is no
slipring arrangements.

Answer / vsr

yah the above said is right. go for squirrel cage induction
motor. but choose FLP type.

Answer / dpm

Flameproof type 3 phase squirrel cage induction motor ,
because it is widely used in gas industries due to its
rhobustness.

Answer / nik

Squirrel cage IM is the preferred choice, but if only a dc
supply is available then BLDC can be used.

Answer / x man

Explosion proof,increased safety Machines can be used for
these knid of applicaiton.
the explosion proof prevents the spark or ignition
happening inside to spread out
the increased safety protects the machince from the
environmental problems

Answer / perlsdelsur

Firth of all you may have to do a proper harzadous clacification area to determine if the place where you are going to install your motor is DIV 1, 2 or other (done by chemical certificated enginner)then after you must to select the suitable motor for that area operation, motor for harzadous manufacturers can give the information you need but you have to carefully to choice the correct motor because this involve to great riisk to choise a rong motor

Bye

difference between temperature sensor and temperature switch

3 Answers   ABB,

why to need a electrical earthing?

2 Answers  

how to calculate cable size for the motor

2 Answers  

what is bus PT ?

4 Answers  

what are the difference between AC lamp and DC lamp

0 Answers   Apollo,

What happen if 200 KVAR capacitor connected to power continuesly?

0 Answers  

In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

0 Answers  

A T-T transformer can not be parallel with transformer A V-V B star-delta C star-star D delta-delta

1 Answers  

If any cable burnt how can we identify it burnt by high current of high voltage? 

0 Answers  

if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

0 Answers  

We have Diesel generator of 200KW but load connected to it only 100KW. Pl. brief me about fuel consumption.

4 Answers   ARDE,

why semicondoctor use in HT cable?

1 Answers