merni instrumenti bezbednosnih japan...آ  merni instrumenti bezbednosnih standarda predstavljanje...

Download Merni instrumenti bezbednosnih Japan...آ  Merni instrumenti bezbednosnih standarda Predstavljanje bezbednosnih

If you can't read please download the document

Post on 02-Jan-2020

0 views

Category:

Documents

0 download

Embed Size (px)

TRANSCRIPT

  • Merni instrumentiMerni instrumenti bezbednosnih standardabezbednosnih standarda

    Predstavljanje bezbednosnih standarda, metoda testiranja i odgovarajućih test instrumenata za

    električnu medicinsku opremu

  • Izbegavanje nezgodaIzbegavanje nezgoda električnog udaraelektričnog udara

    Izbegavanje nezgodaIzbegavanje nezgoda električnog udaraelektričnog udara

    Izbegavanje nezgoda električnog udara

    Izbegavanje nezgodaIzbegavanje nezgoda električnog udaraelektričnog udara

    Izbegavanje nezgodaIzbegavanje nezgoda električnog udaraelektričnog udara

  • Uzrok električnog udara

    Dangerous voltage=

    Izbegavanje nezgoda električnog udara

    Dangerous voltage=

  • Kontramera 1: “Kućište” = Izolacija

    Dangerous voltage

    Insulation resistance

    Electrical equipmet

    Dangerous voltage

    Izbegavanje nezgoda električnog udara

    Dangerous voltage

    Insulation resistance

    Electrical equipmet

    Dangerous voltage

  • Kontramera 2. : “Pražnjenje” = Uzemljivanje

    Dangerous voltage E

    ar th

    re si

    st an

    ce

    Electrical equipment

    Dangerous voltage

    Izbegavanje nezgoda električnog udara

    Dangerous voltage E

    ar th

    re si

    st an

    ce

    Electrical equipment

    Dangerous voltage

  • Koliko struje zaista teče?

    Izbegavanje nezgoda električnog udara

  • Izbegavanje nezgoda električnog udara

    Električni udar?

    1

    10

    100

    100 1k 10k 100k

    (mA)

    Autonomos nerves are paralyzed

    Motor nerves are paralyzed

    Death

    The least paralyzed current

    Starting a breaker

    For general supply frequency

    Perceptual current (m A)

    Frequency characteristics of perceptual current (Hz)

    99.5% of test subjects

    50% of test subjects

    0.5% of test subjects

    1

    10

    100

    100 1k 10k 100k

    (mA)

    Autonomos nerves are paralyzed

    Motor nerves are paralyzed

    Death

    The least paralyzed current

    Starting a breaker

    For general supply frequency

    Perceptual current (m A)

    Frequency characteristics of perceptual current (Hz)

    99.5% of test subjects

    50% of test subjects

    0.5% of test subjects

  • Izbegavanje nezgoda električnog udara

    Standard dvostruke i trostruke zaštite

    Dangerous voltage

    Dangerous voltage

    Bad condition

    Countermeasure 1: Discharge

    Countermeasure 2: Enclose

    Dangerous voltage

    Dangerous voltage

    Dangerous voltage

    Dangerous voltage

    Bad condition

    Countermeasure 1: Discharge

    Countermeasure 2: Enclose

    Dangerous voltage

    Dangerous voltage

  • Sigurnosni standardi medecinske opreme

    Bezbednosni standardi za električnu opremu

    Bezbednosni standardi za električnu opremu

    Bezbednosni standardi za električnu opremu

    Bezbednosni standardi za električnu opremu

  • Sigurnosni standardi električne opreme

    Klasifikacija električne opreme

    1 s t p ro te c to n 2 n d P ro te c t io n

    In s u la t io n

    In s u la t io n In s u la t io n

    E a r th+

    C l a s s 1 e q u i p m e n t

    C l a s s 2 e q u i p m e n t

    ? 1 s t p ro te c to n 2 n d P ro te c t io n

    In s u la t io n

    In s u la t io n In s u la t io n

    E a r th+

    C l a s s 1 e q u i p m e n t

    C l a s s 2 e q u i p m e n t

    ?

  • Sigurnosni standardi električne opreme

    Struktura izolacije

    Basic insulation

    Rein force Insu la ton

    Strengthen Insulation

    dangerous voltage

    D ouble Insu la tion

    Basic insulation

    Rein force Insu la ton

    Strengthen Insulation

    dangerous voltage

    D ouble Insu la tion

  • Sigurnosni standardi električne opreme

    Oprema klase I

    P ow er S ou rce

    B as ic In su la tion

    E n c losu re

    P lu g w ith p ro tec tive

    earth in g con tac t

    M id d le c irc it

    M otor h avin g an exp osed sh aft

    F u n c tion a l earh term in a l

    S upple me nta ry ins ula tio n o r pro te c tiv e ly e a rthing s c re e n

    P ow er S ou rce

    B as ic In su la tion

    E n c losu re

    P lu g w ith p ro tec tive

    earth in g con tac t

    M id d le c irc it

    M otor h avin g an exp osed sh aft

    F u n c tion a l earh term in a l

    S upple me nta ry ins ula tio n o r pro te c tiv e ly e a rthing s c re e n

  • Sigurnosni standardi medecinske opreme

    Oprema klase II

    Mains plug

    Main part

    Motor having an exposed shaft

    Functional earth terminal

    Enclosure

    Basic insulation

    Supplementary insulation

    Mains plug

    Main part

    Motor having an exposed shaft

    Functional earth terminal

    Enclosure

    Basic insulation

    Supplementary insulation

  • Sigurnosni standardi medecinske opreme

    Sigurnosni standardi medecinske opreme

  • Merenje struje curenja

    Merenje struje curenjaMerenje struje curenjaMerenje struje curenjaMerenje struje curenja

  • Merna mreža

    10 kΩ15 00 Ω

    0. 02

    2μ F

    50 0Ω

    0. 22 μ

    F

    Merenje struje curenja

    10 kΩ15 00 Ω

    0. 02

    2μ F

    50 0Ω

    0. 22 μ

    F

  • Predstavljamo Model 3155-01

    ?You needmanyinstruments Many testitems

    Merenje struje curenja

    ST5540/41

    ?You needmanyinstruments Many testitems

  • Merenje struje curenja

    !

    Instruments are built in

    Automatic switch change(Excluding the isolating transformer)

    Data save

    Built-in printer

    Pass-Fail judgement

    3155-01 Easy

    operation

    Merenje struje curenja

    ST5540 / ST5541 !

    Instruments are built in

    Automatic switch change(Excluding the isolating transformer)

    Data save

    Built-in printer

    Pass-Fail judgement

    3155-01 Easy

    operation

    ST5540 / ST5541

    RS232C / USB Interface

  • Merenje struje curenja

    Tester struje curenja Model ST5540/41Tester struje curenja Model ST5540/41

  • Merenje struje curenja ka zemlji sa ST5540/41

    Isolation Transformer

    Appliance

    Volt meter

    Switch to interrupt one supply conductor

    Polarity toggle switch

    Switch to interrupt an earth conductor

    T1- Terminal

    T2-Termina

    3155

    Measurement Network

    G-Terminal

    Built-in polarity toggle switch

    Built-in volt meter

    Built-in switch to interrupt one supply

    conductor Built-in switch to interrupt an earth

    conductor

    Built-in measurement network

    Merenje struje curenja

    ST5540/41

    Isolation Transformer

    Appliance

    Volt meter

    Switch to interrupt one supply conductor

    Polarity toggle switch

    Switch to interrupt an earth conductor

    T1- Terminal

    T2-Termina

    3155

    Measurement Network

    G-Terminal

    Built-in polarity toggle switch

    Built-in volt meter

    Built-in switch to interrupt one supply

    conductor Built-in switch to interrupt an earth

    conductor

    Built-in measurement network

  • Let’s set up the 3155

    Merenje struje curenja Podešavanje ST5541

  • Merenje curenja kućišta sa

    Isolating transformer

    Appliance

    Volt meter

    Switch to interrupt one supply conductor

    Polarity toggle switch

    Switch to interrupt an earth conductor

    3155

    T1-terminal

    T2-terminal

    Between the enclosure and

    the earth

    Between parts of the enclosure

    T1-terminal

    T2-terminal

    G-terminal

    Measurement network

    Measurement network

    Merenje struje curenja

    ST5540/5541

    ST5540/5541

    Isolating transformer

    Appliance

    Volt meter

    Switch to interrupt one supply conductor

    Polarity toggle switch

    Switch to interrupt an earth conductor

    3155

    T1-terminal

    T2-terminal

    Between the enclosure and

    the earth

    Between parts of the enclosure

    T1-terminal

    T2-terminal

    G-terminal

    Measurement network

    Measurement network

  • Druge karakteristike

    Merenje struje curenja

    ST5540/41 ・・・・ 100, 120V, 220V, 240V (navesti pri narudžbini)

    RS-232C iUSB Interfejsi kao standardne funkcije

    Merenje niske otpornosti

    → Jednostavni test neprekidnosti ka zemlji

    Međutim, standardi nisu zadovoljeni zbog niske struje!

    → Da li postoji neka odgovarajuća oprema??

    Komutacijom merne mreže, meranja struje curenja mogu se

    izvršiti po raznim stan

Recommended

View more >