Description
SPAD346C3 ABB Stabilized Differential Relay
Contact Us
Email: sales@xiongbagk.cn
Tel: + 86-18059884797
Whatsapp:+86-18059884797
Website: www.sauldcs.com
Address:Unit 2009, 20th Floor, 1733 LUling Road, Siming District, Xiamen
Shipment: EMS,DHL,UPS & FEDEX
Payment: T/T
Supply Ability: 30 Unit/Units per Month
Price: The more you order ,the lower price you will get
Delivery: In stock,within 3 days send the products
Terminal Contact Function
group interval
X0 1-2 HV side or stator star-point side phase current IL1 (5 A)
X0 1-3 HV side or stator star-point side phase current IL1 (1 A)
X0 4-5 HV side or stator star-point side phase current IL2 (5 A)
X0 4-6 HV side or stator star-point side phase current IL2 (1 A)
X0 7-8 HV side or stator star-point side phase current IL3 (5 A)
X0 7-9 HV side or stator star-point side phase current IL3 (1 A)
X0 13-14 LV side or stator network side phase current IL1’ (5 A)
X0 13-15 LV side or stator network side phase current IL1’ (1 A)
X0 16-17 LV side or stator network side phase current IL2’ (5 A)
X0 16-18 LV side or stator network side phase current IL2’ (1 A)
X0 19-20 LV side or stator network side phase current IL3’ (5 A)
X0 19-21 LV side or stator network side phase current IL3’ (1 A)
X0 25-26 HV side neutral current I01 (5 A)
X0 25-27 HV side neutral current I01 (1 A)
X0 37-38 LV side neutral current I02 (5 A)
X0 37-39 LV side neutral current I02 (1 A)
X1 1-2 External control input BS1
X1 3-4 External control input BS2
X1 5-6 External control input BS3
X1 7-8 External control input BS4
X1 9-10 External control input BS5
X1 11-12-13-14 Output relay TS4
(heavy-duty two-pole relay, see “Circuit breaker control”)
X1 15-16-17-18 Output relay TS3
(heavy-duty two-pole relay, see “Circuit breaker control”)
X2 1-2 Auxiliary power supply. The positive pole of the dc supply is
connected to terminal 1. Auxiliary power range is marked on
the rating plate.
X2 3-4 Output relay TS2 (heavy-duty type)
X2 5-6 Output relay TS1 (heavy-duty type)
X2 7-8 Output relay SS4
X2 9-10 Output relay SS3
X2 11-12-13 Output relay SS2
X2 14-15 Output relay SS1
X2 16-17-18 Self-supervision (IRF) output relay
Integrated three-phase differential relay, overcurrent relay and earth-fault relayStabilized three-phase differential relay providing winding short-circuit and interturn faultprotection for two-winding transformers and
generator-transformer units and winding shortcircuit protection for generators.Earth-fault protection for transformer HV andLV side windings according to the desired principle: the stabilized differential current principle,
the high-impedance principle, the calculated or measured residual current principle orthe neutral current principleThree-stage overcurrent protection for transformers and generators and two-stage back-upprotection for
earth-fault protectionThe operation characteristic of the differentialrelay easily adapted for different applicationsShort operate times, even with partially saturated current transformersStabilization prevents unwanted
operations atfaults outside the protected area and transformer inrush currentsBlocking based on the ratio of the second harmonic and the fundamental component of thedifferential current prevents unwanted operations
at transformer inrush currentsBlocking based on the ratio of the fifth harmonic and the basic frequency component ofthe differential current prevents operation inharmless situations of transformer overexcitation
– can be eliminated if the ratio of the fifthharmonic and the basic frequency componentincreases at high overvoltages
No interposing transformers are needed for theprotection of two-winding transformers – numerical vector group matching on HV and LV side Wide CT ratio correction range – accurate correction allowed by digital setting
Sensitive phase current and phase angle displays facilitate the checking of measurement circuitconnection and vector group matching Four trip and four signal relay outputs available to the protection design engineer
Five programmable external control inputs intended for the indication and retransmission of alarm and trip signals of gas relays, oil temperature sensors and other sensors of transformer auxiliary devices
Adjustable CBFP operate time to improve reliability of operation Integrated disturbance recorder capable of recording currents and digital signals – signals to be used for triggering selectable
High immunity to electrical and electromagnetic interference allows the relay to be used in severe environments High availability and system reliability due to continuous supervision of hardware and software
Packing & Shipping
1. We will ship the items within 3 working days after the payment is reached.
2. New and origin factory individual sealed inner box
3. We can ship to you by DHL/TNT/UPS/EMS/FedEx… Pls contact us directly and we will ship as your requirement.
Best Quality Assurance
1. We promise all of the goods we supplied is 100% new and original
2. One-year warranty GUARANTEE OF QUALITY (After Our Delivery Date).
Terms of Payment: We accept T/T
What can we do
All products we sell are 100% New original Package in good condition and will be examed before they are shipped.
1.We supply a large number of prompt goods.
2.New packaging and factory sealed
If you order more than one item, please contact us, we can offer further discounts for you. And if you find other suppliers offer cheaper prices for the same product, we are also willing to provide you with reference to their price,even further discounts.
If you need, we can solve your defective part or replace it. Welcome to inquire! We will give you the best service!
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Please contact Sunny sales@xiongbagk.cn for the best price.
➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com
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