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实验四 电表的改装和校准
实验目的
1．掌握电表扩大量程的原理和方法；
2．能够对电表进行改装和校正；
3．理解电表准确度等级的含义。
实验仪器 a
bove , no major fire accide
nts without e
nvironme
ntal polluti
on a
cci dents, safety for three conse
cutive year
s to maintai
n stability to g
ood posture.
Business financial i
ndicators: total
profits of 255 milli
on Yuan, beyond the annual
budget of 207 million Yua
n, bey
ond the Data
ng company index million Yua
n, an i ncrea
se of million Yuan,
FCM asse
ssment at grade four.
--Energy: power supply standard
coal
compl
eting g
/kWh, dow
n g
/k Wh; i
ntegrated auxili
ary power consumption ratio i
n %, down %;
poll
utant emissions performance greatly reduced
compare
d to last yea
r, car
bon g/k
Wh, sulfur
dioxide g
/k Wh NOx
g
/kWh; dust removal efficie
ncy of more than
%. --Reliability i
ndex: e
quival ent availa
bility factor i
n %, increase
d % from a year earl
ier.
Equivalent forced outage rate %, % reduction over t
he same
period a year earlie
r.
Major achi
eveme
nts: first, we should a
dhere t
o the tw
o "management system" ba
sis, stre
ngthe
ning te chnologi cal rese
arch,
strengthen hi
dden
hazards control a
nd intri
nsi c safety Enterpri
se constr
ucti on took ne
w steps. -T he tw
o "managemen