Entes MKC-03 Handleiding

Entes Niet gecategoriseerd MKC-03

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Genel
Sanayi tesislerimizde yaygn olarak kullanlan elektrik motorlarnn iki faza kalarak
aþrsnmas ve yanmasskça karþlaþlan arza kaynaklarndan biridir. Motor
korumasnda skça kullanlan termikmanyetik röle gerek elektro-mekanik yaps,
gerekse demeraj akmnn karþlanabilmesi için akm ayarnn yüksek tutulmas
nedeniyle, koruma iþleminde yetersiz kalmaktadr.
Bu olumsuz etkileri ortadan kaldracak þekilde tasarlanmþ olan nötrlü MKC-01,
MKS-01, MKC-03, MKS-03 ve nötrsüz MKC-04 Motor Koruma Röleleri aþa¤daki
koruma fonksiyonlarn yerine getirir.
MOTOR (FAZ) KORUMA RÖLELERÝ
MKC-01, MKS-01, MKC-03, MKS-03, MKC-04
Ba¤lant Þemalar
A4908 / Rev.4
Fonksiyon Diyagram
2. Faz sras (MKC-03, MKS-03, MKC-04)
Faz srasnn ters oldu¤u durumlarda (yani L1, L2, L3, saat yönünde de¤il ise) motor
devreye alnmaz. Herhangi bir nedenle faz sras bozulursa motor gecikmesiz olarak
devreden çkarlr.
Gerilim dengesizli¤i motor sarg scakl¤nn belli bir miktar artmasna ve dolaysyle
motor gücünün düþmesine neden olur.
VL3
VL1
VL1
VL2
VL2
VRef
VRef = 220 VAC
x 100Asimetri % = -
V VL1 L2
1- Gerilim Dengesizli¤i (Ayarlanamaz)
MKC-04lerde nötr ba¤lants yoktur.
Faz-Nötr aras gerilim dengesizli¤i:
MKC-01, MKS-01 için (sabit) %20den fazla
MKC-03, MKS-03, MKC-04 için (sabit) %40dan fazla
oldu¤u anda çkþ rölesi motoru devreden çkartr.
Üç fazlý sistemlerde gerilim dengesizliði (asimetri);
Yüklerin fazlara dengesiz baðlanmasý sonucu oluþabileceði gibi,
Üç fazlý motorlarda fazlardan birinin kesilmesi durumunda da oluþur. Bu durumda
kesilen faza ait motor sargý ucunda, motorun diðer sargýlarý üzerinden indüklenerek
dönen gerilim görülür. Bu gerilim deðeri motorun cinsine ve yük durumuna göre
deðiþir.
Faz yokluðu veya herhangi bir sebepten oluþabilecek faz-nötr arasý gerilim
dengesizliði cihaz için belirlenen asimetri deðerinden küçükse çýkýþ rölesi çekilidir.
Eðer gerilim dengesizliði cihazýn asimetri deðerini aþarsa çýkýþ rölesi býrakýr ve motor
devre dýþý kalýr.
Uygulamalarýnýzda; motorun iki faza kalmasý esnasýnda motorun diðer sargýlarýndan
indüklenen gerilim deðerini de göz önünde bulundurarak uygun cihazý kullanýnýz.
Güvenli Kullaným ve Kurulum Ýçin Uyarýlar
Aþaðýdaki talimatlara uyulmamasý halinde yaralanma veya ölümle sonuçlanabilecek
durumlar ortaya çýkabilir.
Cihaz üzerindeki herhangi bir iþlemden önce tüm besleme gerilimlerini kesiniz.
Cihaz þebekeye baðlý iken ön paneli çýkarmayýnýz.
Cihazý solvent veya benzeri maddelerle temizlemeyiniz. Cihazý temizlemek için
sadece kuru bez kullanýnýz.
Cihazý çalýþtýrmadan önce baðlantýlarýnýn doðru olduðunu kontrol ediniz.
Cihazý panoya monte ediniz.
Cihazýnýzdaki herhangi bir sorunda yetkili satýcýnýzla temas kurunuz.
Yukarýdaki önlemlerin uygulanmamasý sonucu doðabilecek istenmeyen
durumlardan üretici firma hiç bir þekilde sorumlu tutulamaz.
PK 22PK 28
PK 25PK 25
Teknik Bilgi
:
Lütfen cihaz etiketlerine bakýnýz.
: 3 faz ve nötr 220-230 VAC
4 kablo yldz ba¤lant (MKC-01, MKC-03, MKS-01, MKS-03)
: 3 faz 380 VAC
3 kablo üçgen ba¤lant(MKC-04)
: 3 faz 220 V AC
3 kablo üçgen baðlantý (MKC-04)
: (0.9-1.1) x Un (MKC-04)
(0.8-1.2) x Un (MKC-01, MKC-03, MKS-01, MKS-03)
: 50/60 Hz.
: 1 C/O, 8A, 250 V AC, 2000 VA, Cos =1 (MKC-01, MKC-03, MKC-04)j
1 NO, 8A, 250 V AC, 2000 VA, Cos =1 (MKS-01, MKS-03)j
: OUT LEDi : Röle çekili iken yanar, röle brakt¤
zaman (hatal durumunda) söner
ON LEDi :
Besleme gerilimi varsa yanar
(MKC-01, MKC-03)
: 0.2 sn
: -5 °C ; +50 °C
: IP 20
: Tip PK 22 (MKS-01, MKS-03)
Tip PK 25 (MKC-01, MKC-03, MKC-04)
Tip PK 28 ((MKC-01, MKC-03)
: Pano içine dikey veya klemens rayna.
Panoya vida ile montaj adaptör parçasýyla mümkündür. (Bakýnýz Þekil 1)
: 0.08 kg. (MKS-01, MKS-03)
0.1 kg. (MKC-01, MKC-03)
0.2 kg. (MKC-04)
Ýþletme Gerilimi (Un)
Ýþletme Aralýðý
Ýþletme Frekansý
Kontak Tipi
Uyarý LEDleri
Gecikme Zamaný
Ortam Sýcaklýðý
Koruma Sýnýfý
Boyutlar
Baðlantý Þekli
Aðýrlýk
Boyutlar
C1
T1
Stop
T1
M
3 ~
Start
L1
L2
L3
N
C1
N
L1 L2 L3
MKC-01
MKC-03
123
N
C1
T1
N
M
3 ~
L1
L2
L3
N
L3NL2
L1 1 2
MKS-01
MKS-03
C1
T1
Stop
T1
N
M
3 ~
Start
L1
L2
L3
N
C1
N L1 L2 L3
MKC-01
MKC-03
321
C1
T1
Stop
T1
N
M
3 ~
Start
L1
L2
L3
C1
L1 L2 L3
MKC-04
321
Þekil 1
23
mm
12
mm
35mm
19mm
19mm
61
mm
90
mm
28mm
48mm
58mm
45
mm
TiP PK22 TiP PK25
35 mm
90 mm
45 mm
62 mm
58 mm
32 mm
48 mm
35 mm
TiP PK28
48 mm
34 mm
90 mm
35.3 mm
59.7 mm
45.4 mm
61.8 mm
36 mm
Sabit Dengesizlik De¤eri
Histerisis
L1
L2
L3
Çkþ Rölesi
TD = Zaman Gecikmesi
TD
TD
(MKC-03, MKS-03, MKC-04)
Çkþ Rölesi (MKC-01, MKS-01)
Yanlþ Faz Sras
Bu ürün, 30.05.2008 tarih ve 26891 sayýlý resmi gazetede yayýnlanan
EEE Yönetmeliðinin Madde 2 ve Ek-1A madde 9 kapsamýndadýr.
General
One of the common faults faced in industrial plants is over-heating and burning of
3 phase motors due to the phase failure. Thermic-magnetic device which is an
essential element in motor protection is generally too slow due to both its electro-
mechanical structure and the use of high current setting range to assure demarrage
without tripping. Being designed to eliminate the above disadvantages, MKC-01
and MKC-03 Phase Failure Devices react within 0.2 seconds (fixed) against the
following faults and take the motor out of service.
PHASE FAILURE PROTECTION DEVICES
MKC-01, MKS-01, MKC-03, MKS-03, MKC-04
Connection Diagram
A4908 / Rev.4
Function Diagram
2. Phase Sequence (MKC-03, MKS-03, MKC-04)
When the phase sequence is correct (L1, L2, L3 in clockwise direction) the output
relay is activated; however, if the sequence is changed by any reason, the output
relay switches OFF immediately.
The voltage asymmetry causes the rise in motor temperature and a reduction of
the rated motor power.
1. Voltage Unbalance (Not Adjustable)
MKC-01 and MKC-03 have neutral connection.
Unbalanced voltage for Phase-Neutral (fixed). When the value exceeds the 40% for
MKC-03 and MKC-04 or 20% for MKC-01 and MKS-01 output relay switches-off the
motor.
Unbalanced voltage may occured when;
The mains are loaded with unbalanced distribution,
One of the 3-phase of motor has lost. In this case, some amount of voltage which
produced by other phases will be inducted on the lost phase. Amount of this value
depends on both the motor type and amount of load.
Output relay is activated when a phase has lost or an unbalanced phase-neutral
value, which is occured with any reason, is smaller than the Asymetrical value which
is defined for the device. If this unbalanced voltage exceeds the adjusted Asymetrical
value, output will release itself and motor will be Switched-off.
In Applications; a proper device must be used regarding to the inducted voltage
value in two-phase which are remained after the other one has lost.
PK 22PK 28
PK 25PK 25
:
Please look at labels on the device.
: 3 phase and neutral 220-230 VAC
4 Wires Star Connection (MKC-01, MKC-03, MKS-01, MKS-03)
: 3 Phase 380 VAC
3 Wires Delta Connection (MKC-04)
: 3 Phase 220 V AC
3 Wires Delta Connection (MKC-04)
: (0.9-1.1) x Un (MKC-04)
(0.8-1.2) x Un (MKC-01, MKC-03, MKS-01, MKS-03)
: 50/60 Hz.
: 1 C/O, 8A, 250 V AC, 2000 VA, Cos =1 (MKC-01, MKC-03, MKC-04)j
1 NO, 8A, 250 V AC, 2000 VA, Cos =1 (MKS-01, MKS-03)j
: LED output, normally ON (OFF for any fault)
ON LEDi : On when supply voltage is present
(MKC-01, MKC-03)
: 0.2 sec.
: -5 °C ; +50 °C
: IP 20
: Typ PK 22 (MKS-01, MKS-03)
Typ PK 25 (MKC-01, MKC-03, MKC-04)
Typ PK 28 ((MKC-01, MKC-03)
: Surface mounting or on the mounting rails.
Panel mounting with screws and adapter is possible. (Refer to Figure 1)
: 0.08 kg. (MKS-01, MKS-03)
0.1 kg. (MKC-01, MKC-03)
0.2 kg. (MKC-04)
Rated Voltage (Un)
Operating Range
Rated Frequency
Output Contacts
Warning LEDs
Tripping Time
Ambient Temperature
Protection Class
Dimension
Installation
Weight
Dimensions
C1
T1
Stop
T1
M
3 ~
Start
L1
L2
L3
N
C1
N
L1 L2 L3
MKC-01
MKC-03
123
N
C1
T1
N
M
3 ~
L1
L2
L3
N
L3NL2
L1 1 2
MKS-01
MKS-03
C
1
T
1
Stop
T1
N
M
3 ~
Start
L1
L2
L3
N
C1N L1 L2 L3
MKC-01
MKC-03
321
C
1
T
1
Stop
T1
N
M
3 ~
Start
L1
L2
L3
C1L1 L2 L3
MKC-04
321
TYPE PK25
35 mm
90 mm
45 mm
62 mm
58 mm
32 mm
48 mm
35 mm
TYPE PK28
48 mm
34 mm
90 mm
35.3 mm
59.7 mm
45.4 mm
61.8 mm
36 mm
VL3
VL1
VL1
VL2
VL2
VRef
VRef = 220 VAC
x 100
Asymmetry % = -
VL1 VL2
Fixed unbalance value
Hysterisis
L1
L2
L3
Output Relay (MKC-03)
TD = Tripping Time
TD
TD
Output Relay (MKC-01)
Wrong Phases Sequence
Precautions For Installation and Safe Use
Failure to follow those instructions will result in death or serious injury.
Disconnect all power before working on equipment.
When the device is connected to the network, do not remove the front panel.
Do not try to clean the device with solvent or the like. Only clean the device
with a dried cloth.
Verify correct terminal connections when wiring.
Electrical equipment should be serviced only by your compedent seller.
Mount device to the panel.
No responsibility is assured by the manufacturer or any of its subsidiaries
for any consequences arising out of the use of this material.
Technical Data
Figure 1
23mm
12mm
35mm
19mm
19mm
61
mm
90
mm
28mm
48mm
58mm
45
mm
TYPE PK22
Vertrieb durch TDE Instruments GmbH

Product specificaties

Merk: Entes
Categorie: Niet gecategoriseerd
Model: MKC-03

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