qttb-1-02

QUY TRNH S DNG V BO DNG MY O IN TR CCH IN KYORITSU

5kV

NGY BAN HNH : 02/03/2009

CNG TY C PHN NHIT IN B RA

PHNG TH NGHIM IN -HA a ch: QL 51, phng Long Hng, TX B Ra, Tnh B Ra- Vng Tu

Tel : 064.2212811- Fax : 064.3825985 Email : [email protected] - website :www.btp.com.vn

ISO/IEC 17025:2005 K HIU : QTTB1-02

CNG TY C PHN NHIT IN B RA ISO/IEC 17025:2005 Ngy sa i : 00 PHNG TH NGHIM IN - HA K hiu: QTTB1-02 Ln sa i : 00

QUY TRNH S DNG V BO DNG MY O IN TR CCH IN KYORITSU 5kV

Trang: 2/8 Ngy hiu lc : 2/3/2009

THEO DI SA I TI LIU

Yu cu sa i / b sung

Trang / phn lin quan vic

sa i M t ni dung sa i

Ln ban hnh/Ln sa i

Ngy ban hnh




1. MC CH : Ti liu ny nhm hng dn thc hin qui trnh vn hnh v bo dng my o in tr cch in Kyoritsu 5kV p dng trong cng tc th nghim lp mi, th nghim nh k v th nghim thit b l ti cng ty c phn nhit in B Ra. 2. Phm vi p dng: - Ti liu ny p dng cho mi nhn vin th nghim ca Phng th nghim in- Ho khi s dng my ny o in tr cch in ca cc thit b in nh my bin th,my pht,my ct, dao cch ly,thanh ci. - Qui trnh ny c p dng cho Phng th nghim in-ha thuc Cng ty C phn nhit in B Ra

3-TI LIU LIN QUAN - Ti liu hng dn s dng my o in tr cch in KYORITSU 5kV do nh sn xut cung cp. - Ti liu ISO 17025 : 2005 4. THUT NG, T VIT TT V TI LIU VIN DN:

4.1. Thut ng, t vit tt:

- Cc thut ng, nh ngha c lin quan c s dng theo tiu chun ISO 17025: 2005.

- TCVN: Tiu chun Vit Nam - CB : My ct - K hiu H : high voltage in p u cao th ca my bin p - K hiu X : Low voltage in p u h th

4.2. Ti liu vin dn: 5.TRCH NHIM V QUYN HN

- Trng Phng Th nghim in-ha: m bo Qui trnh c tun th. - Cn b bin son: Ph bin, hng dn, theo di v cp nht. - Cc cn b k thut, cng nhn th nghim c lin quan: Nghim chnh thc

hin Qui trnh ny. - Cc nhn vin th nghim c hc s dng my, mi c php thao tc trn my

6. NI DUNG : 6.1. Cng dng v c tnh k thut ca my:




6.1.1. Cng dng ca my : - o in tr cch in ca cc thit b in nh my bin th,my pht,my ct, dao cch ly,thanh ci. - nh gi s bin i theo thi gian ca cc thit b in nh my bin th,my pht,my ct, dao cch ly,thanh ci.

6.1.2. Cc tnh nng k thut chung - Hng sn xut : KYORITSU-JAPAN - Kiu my : 3122 - Nm sn sut : - S sn xut : 1184375 - Cc c tnh khc : My o in tr cch in Kyoritsu 5kV s dng ngun 8 cc pin tiu 1.5V. o in tr cch in ca cc thit b in nh cp,my bin th,my pht. T ng chuyn thang o in tr cch in thp v cao Gi tr o c d dng c thang c n LED hin th. in p th : 5000V DC Di o : 0 n 5000M /2000 n 200000 M. Cp chnh xc :

in tr cch in : 5% gi tr c (200 100000 M). 10% hoc 0.5% gi tr c (ca thang ln hn). Ti nhit 23 C 5 C 10% gi tr c hoc 1% gi tr c (ca thang ln hn) ti nhit -10 C n 40 C

in p ra : 5000V 5%(200 100000 M). Vn hnh nhit -10 C n 40 C, m 85% Bo qun nhit -20 C n 60 C, m 90% in tr cch in: 1000 M/1000V in p nh mc 5000VAC Kch thc 200 X 140 X 80mm Trng lng 1 kg Ngun cung cp: 8pin 1.5V Thit b ph km theo: gm 1 hp bng nha, 1 dy ni t, 1 dy o




6.1.3 . M t chung v my o in tr cch in KYORITSU 5kV

Hnh 1: Tng quan my o in tr cch in KYORITSU 5kV

Cc chc nng trn bng iu khin ca my th c m t nh sau :

Cc s ch hnh 1 Bng iu khin M t chc nng

1 Khng c du hiu u dy o line 2 GUARD L cm dy bo v 3 EARTH L cm dy o earth 4 Khng c du hiu n LED ch th di o cao hoc thp 5 PRESS TO TEST Nt nhn th 6 OFF-BATTCHEK-M Nt la chn chc nng 7 Khng c du hiu Phn v pin

6.2. Cc yu cu chung 6.2.1.Yu cu v nhn vin th nghim :




- c hun luyn, kim tra kin thc v quy trnh k thut an ton v c cp th an ton.

- c o to v phng php th nghim nht th-nh th, v cng tc s dng cc trang thit b th nghim v s dng thnh tho cc thit b o chuyn dng.

- c kim tra sc kho nh k hng nm v tiu chun lm vic theo yu cu cng vic ca n v. 6.2.2.Yu cu v thit b :

My o in tr cch in Kyoritsu 5kV v cc thit b o phi c hiu chun t yu cu k thut v cn hiu lc lm vic trong thi gian hiu chun.

6.3 . QUY TRNH S DNG : 6.3.1. Chun b chung : - Ngun in cung cp 220 VAC n nh. - Dy ni t cho my th. - My o in tr cch in Kyoritsu 5kV - i tng c th nghim c cch ly. - Chun b cc ti liu k thut. - Chun b y cc trang thit b th nghim cn thit tin hnh cng vic. - Lm hng ro an ton bo v, treo bin bo v c ngi gim st an ton.

- u ni s ng vi yu cu th nghim ca hng mc tng ng 6.3.2 Hng dn s dng my :

6.3.2.1. Ch trc khi th Chn v tr t my th ni kh ro.Khong cch t my ti thit b th cn t

3m . Khong cch dy ni t ca my th khong 3,6m (so vi my th) . Ch ngi ca ngi th cn phi thng vi li ra vo d iu khin . Ngi th cn phi hiu bit kh c o . Nu thit b th cha c ni t th cn

phi ni t th . Khi th mt s thit b c in tr r ln ta cn s dng mn chn bo v . Khi thit b th cch xa my th cn s dng mt dy dn in l 15A v khng

vt qu 15m m bo cho vic th nu di . Khng vn hnh my th trong thi tit khng m bo nh tri ma hay ch

nc m t Khong cch t phn h ca thit b o vi t,dy treo thit b (nu c) v ngi

thao tc c cho theo bng sau:




6.3.2.2. Bin php an ton Cn thn in p cao xut hin ti dy o v dy ni t ca my o khi nhn nt PRESS TO TEST m bo chc chn rng dy ni t ca my o c ni n h thng ni t. Kn s ku bp bp sut qu trinh o 6.3.2.3. iu chnh thang o v zero t nm xoay v v tr OFF v dung tuc vt xoay vt sao cho kim v v tr v cng 6.3.2.4. Kim tra pin t nm xoay v v tr BATT.CHECK nhn nt PRESS TO TEST, khi kim ch trn vng BATT.GOOD l pin cn tt, ngc li l pin ht 6.3.2.5. o in tr cch in

Bc 1: Thit b in cn o phi c cch ly khi ngun in ca h thng Bc 2: u dy nh hnh 2:

Hnh 2

Bc 3: Chuyn nm xoay sang v tr M Bc 4: Nhn nt PRESS TO TEST v xoay theo chiu kim ng h n v tr

LOCK Bc 5: c gi tr o c sau 15 giy v ghi nhn. Bc 6: c gi tr o c sau 60 giy v ghi nhn. Bc 7: Nhn nt PRESS TO TEST v xoay theo chiu ngc kim ng h n v

tr PRESS TO TEST Bc 8: Chuyn nm xoay sang v tr OFF Bc 9: Dng so cch in x in tch thit b cn o Bc 10: Tho g dy u ni v kt thc qu trnh o




6.3.4.Bo dng my: 6.3.4.1. Cc lu khi s dng my:

- Lun vn hnh nhit t -10C n 50 C (15F n +122 F) . - Lun bo qun trong mi trng nhit t-30 C n 70 C (-22F n +158 F) , m > 70%. - Trnh va ng mnh. - Lun gi my v lau chi my sch s.

6.3.4.2. Bo dng Gia k: - Kim tra chnh xc ca cc chc nng.

6.3.4.3.Bo dng 1 nm: -My phi c hiu chun

qttb-1-02

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