Relion 615 series Transformer Protection and Control RET615 Ver. 2.0 Technical Presentation

Transcription

1 Relion 615 series Transformer Protection and Control RET615 Ver. 2.0 Technical Presentation Distribution Automation May 13, MRS A Slide 1

2 Content RET615 Technical Presentation highlights May 13, 2010 Slide 2

3 May 13, 2010 Slide 3

4 Relion 615 series RET615 RET615 is a member of ABB s Relion product family and part of its 615 protection and control product series The 615 series IEDs are characterized by their compactness and withdrawable design Other members of the 615 product series: REF615 REM615 RED615 May 13, 2010 Slide 4

5 Description RET615 is a dedicated transformer protection and control IED (intelligent electronic device) for power transformers, unit and step-up transformers including power generator-transformer blocks in utility and industry power distribution systems May 13, 2010 Slide 5

6 Transformer Protection and Control Designed for unit protection applications calling for stabilized differential protection Main application area: two winding transformers in power distribution networks Designed for IEC RET615 also supports: Modbus DNP3 IEC Optional three-channel arc protection system May 13, 2010 Slide 6

7 Standard configurations Four standard configurations to match the most commonly applied transformer neutral earthing principles with the relevant earthfault protection schemes Possibility to add, delete and change signal connections for binary inputs, binary outputs and between function blocks using PCM600 The number and type of function blocks is fixed May 13, 2010 Slide 7

8 Standard configurations Standard configuration A Three-phase transformer differential protection for twowinding transformers, with numerical restricted earth-fault protection for the high-voltage (HV) side Standard configuration B Three-phase transformer differential protection for twowinding transformers, numerical restricted earth-fault protection for the low-voltage (LV) side Standard configuration C Three-phase transformer differential protection for twowinding transformers, high-impedance based restricted earth-fault protection for the high-voltage (HV) side Standard configuration D Three-phase transformer differential protection for twowinding transformers, high-impedance based restricted earth-fault protection for the low-voltage (LV) side May 13, 2010 Slide 8

9 Standard configurations, page 1(3) Standard configuration A B C D Protection Stabilized and instantaneous differential protection for twowinding transformers Numerical stabilized low impedance restricted earth-fault protection High impedance based restricted earth-fault protection Master Trip, instance 1 Master Trip, instance 2 HV-side protection Three-phase non-directional overcurrent protection, low stage, instance 1 Three-phase non-directional overcurrent protection, high stage, instance 1 Three-phase non-directional overcurrent protection, instantaneous stage, instance 1 Non-directional earth-fault protection, low stage, instance 1 Non-directional earth-fault protection, high stage, instance 1 Negative-sequence overcurrent protection, instance 1 Three-phase thermal overload protection for power transformers, two time constants Circuit = included, breaker failure = optional protectionat the time of order May 13, 2010 Slide 9

10 Standard configurations, page 2(3) Standard configuration A B C D LV-side protection Three-phase non-directional overcurrent protection, low stage, instance 2 Three-phase non-directional overcurrent protection, high stage, instance 2 Three-phase non-directional overcurrent protection, instantaneous stage, instance 2 Non-directional earth-fault protection, low stage, instance 2 Non-directional earth-fault protection, high stage, instance 2 Negative-sequence overcurrent protection, instance 2 Disconnector position indication, instance 1 Disconnector position indication, instance 2 Disconnector position indication, instance 3 - Arc protection, instance 1 o o o o Arc protection, instance 2 o o o o Arc protection, instance 3 o o o o Control Circuit-breaker control = included, = optional at the time of order May 13, 2010 Slide 10

11 Standard configurations, page 3(3) Standard configuration A B C D Control Earthing switch indication Tap changer position indication Condition monitoring Circuit-breaker condition monitoring Trip circuit supervision, instance 1 Trip circuit supervision, instance 2 Measurement Disturbance recorder Three-phase current measurement, instance 1 (HV side) Three-phase current measurement, instance 2 (LV side) Sequence current measurement (HV side) Residual current measurement, instance 1 (HV side) - - Residual current measurement, instance 2 (HV side) - - = included, = optional at the time of order May 13, 2010 Slide 11

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13 Standard configuration A Application examples The low impedance REF protection (employed on the HV side) complements the stabilized differential protection The low impedance principle allows the transforming ratio of the neutral earthing CT to differ from those of the phase CTs Three-phase thermal overload protection prevents accelerated aging of the winding insulation Three-phase transformer differential protection for two-winding transformers, with numerical restricted earth-fault protection for the high-voltage (HV) side May 13, 2010 Slide 13

14 Standard configuration B Application examples The low impedance REF protection (employed on the LV side) complements the stabilized differential protection The low impedance principle allows the transforming ratio of the neutral earthing CT to differ from those of the phase CTs Three-phase thermal overload protection prevents accelerated aging of the winding insulation Three-phase transformer differential protection for two-winding transformers, numerical restricted earth-fault protection for the low-voltage (LV) side May 13, 2010 Slide 14

15 Standard configuration C Application examples High impedance REF (employed on the HV side) complements the stabilized differential protection The high impedance principle enables sensitive and absolutely selective E/F protection Three-phase thermal overload protection prevents accelerated aging of the winding insulation Three-phase transformer differential protection for two-winding transformers, high-impedance based restricted earth-fault protection for the high-voltage (HV) side May 13, 2010 Slide 15

16 Standard configuration D Application examples High impedance REF (employed on the LV side) complements the stabilized differential protection The high impedance principle enables sensitive and absolutely selective E/F protection Three-phase thermal overload protection prevents accelerated aging of the winding insulation Three-phase transformer differential protection for two-winding transformers, high-impedance based restricted earth-fault protection for the low-voltage (LV) side May 13, 2010 Slide 16

17 615 series Supported ABB solutions, page 1(2) Application examples Supported ABB solutions Station Automation COM600 MicroSCADA Pro Version 3.3 or later 9.2 SP1 or later The 615 series IEDs together with COM600 constitute a genuine IEC solution for reliable power distribution in utility and industrial power systems The native IEC support offer: Fast software based communication Continuous supervision of the integrity of the protection and communication system Inherent flexibility for reconfiguration and upgrades ABB s Connectivity Package concept enables: Streamlining of the system engineering and IED configuration Easy integration with COM600 and MicroSCADA Pro May 13, 2010 Slide 17

18 615 series Supported ABB solutions, page 2(2) Application examples Industrial example The 615 series IEDs complemented with COM600 offer several benefits: Enhanced substation level functionality using the data content of the bay level IEDs A web HMI providing single-line mimic diagrams for switchgear bay solutions COM600 can be used as a local data warehouse for technical documentation and for network data Extensive reporting and analyzing of network fault situations Seamless connectivity to MicroSCADA Pro and System 800xA Utility example May 13, 2010 Slide 18

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20 Hardware modules Hardware and options [X000] module (option) with or without arc- protection [X100] Power supply and binary output module [X110] Binary I/O module [X120] Basic analog input module [X130] Optional binary I/O module May 13, 2010 Slide 20

21 Option: modules [X000] Hardware and options Ethernet options: 100BASE-TX with an RJ-45 connector 100BASE-FX with a fibre-optic LC connector Serial options: RS IRIG-B 9 or 10-pin screw terminal connector 2-wire or 4-wire connection RS-485 / RS IRIG-B Fibre (ST connector) Three arc sensors (option) Examples: Ethernet/Serial modules (RJ-45 and LC) with optional arc sensors May 13, 2010 Slide 21

22 Power supply and binary output modules [X100] Hardware and options Power supply options: 48 V 250 V DC, 100 V 240 V AC, V DC Four power output contacts capable of direct CB operation Two contacts with integrated trip circuit supervision; also to be used with doublepole operation The TCS can be disconnected by excluding the resistor from the trip circuit Two signal output contacts (1 normally open contact, 1 changeover contact) IRF output for self-supervision signalling May 13, 2010 Slide 22

23 Binary I/O module [X110] Hardware and options 8 binary inputs 6 inputs, grouped in pairs of two 2 inputs, separated (potential free) 4 binary outputs 3 outputs, changeover contacts 1 output, normally open Selectable binary input thresholds ( V DC) May 13, 2010 Slide 23

24 Basic analog input modules [X120] Hardware and options Seven analog current inputs I 0_A,I L1_A, I L2_A, and I L3_A, I L1_B, I L2_B, and I L3_B rated currents user selectable 1 A or 5 A If required 1 A can be used on the HV side and 5 A on the LV side, or vice versa Both for ring and pin type wire terminals Max. wire 1 x 6 mm 2 or 2 x 2.5 mm 2 May 13, 2010 Slide 24

25 Option: Additional binary I/O module [X130] Hardware and options Binary I/O module 6 binary inputs, grouped in pairs of two (common ground) 3 binary outputs, changeover contacts Selectable binary input thresholds ( V DC) May 13, 2010 Slide 25

26 modules Hardware and options Protocols Modules With arc protection Ethernet (RJ-45 or LC) + 3 arc sensors Serial (RS-485) + IRIG-B +3 arc sensors Ethernet (RJ-45 or LC) Without arc protection Serial (RS-485 /RS-232) + IRIG-B Serial (fibre ST) + IRIG-B IEC IEC DNP3 TCP/IP DNP3 serial - - MODBUS TCP/IP MODBUS RTU/ASCII = supported, - = not supported - - May 13, 2010 Slide 26

27 Input/output overview Hardware and options Standard configuration Analog inputs Binary inputs/outputs CT VT BI BO Standard configuration A 7-8 (14) 1) 10 (13) 1) Standard configuration B 7-8 (14) 1) 10 (13) 1) Standard configuration C 7-8 (14) 1) 10 (13) 1) Standard configuration D 7-8 (14) 1) 10 (13) 1) 1) With optional binary I/O module ( ) May 13, 2010 Slide 27

28 highlights May 13, 2010 Slide 28

29 Transformer differential protection Id In Maximum settings I b3 OPERATION I d3 I b2 I Minimum settings d1 In Turn-point 2 Turn-point 1 Default settings NO OPERATION I d2 Ib I n Three-phase stabilized differential protection for two-winding power transformers Provides two stages for winding short-circuit and interturn protection: Instantaneous, unrestrained stage provides a very fast clearance of severe faults with high differential current regardless of harmonics Stabilized stage provides a fast clearance of faults while remaining stabile with high currents passing through the protected zone causing CT saturation Easily adjustable operating characteristic of the stabilized stage for different applications Possibility to automatically adapt to the position changes of the tap changer enables more sensitive settings of the characteristic ABB Group May 13, 2010 Slide 29

30 Transformer differential protection Short operate times at faults occurring in the zone to be protected (internal faults), even with partially saturated current transformers High stability at external faults, also with partially saturated current transformers Second harmonic features 2nd harmonic and advanced waveform-based restraints Fifth harmonic restraint ensures that the protection does not operate on apparent differential current caused by transformer over-excitation ABB Group May 13, 2010 Slide 30

31 Stabilized restricted earth-fault protection Stabilized restricted earth-fault protection using a calculated difference between residual current from line CTs and star-point neutral current No external stabilizing resistor nor varistor needed Definite time operation Unit protection for transformer windings Neutral current second harmonic is used for blocking during the transformer inrush situation ABB Group May 13, 2010 Slide 31

32 High impedance restricted earth fault protection REF Io> 87N Complements the stabilized differential function against earth-faults Provides protection for all earth faults that fall in the area between the phase and neutral CTs, even single phase earth faults close to star-point Necessitates use of external stabilizing resistors and varistors ABB Group May 13, 2010 Slide 32

33 Thermal overload protection Thermal overload protection to prevent accelerated aging of the insulation Thermal model with two settable time constants Early warning to allow operators to take action before transformer tripping If the temperature rise continues the function will operate based on the thermal model of the transformer Re-energizing inhibition during the cooling time of the transformer ABB Group May 13, 2010 Slide 33

34 Arc protection (option) Increases safety during maintenance work Reduces material damage Minimizes system downtime Continuously supervises the CB, cable and busbar compartment of metal-enclosed switchgear Same lens and optic fibre as for REA 107 Automatic reference level adjustment based on background-light intensity May 13, 2010 Slide 34

35 Arc protection (option), cont d Arc trip based on: Current and light Current and binary input signal Light only Separate trip value settings for phase currents and earth-fault current Operate time typically 12 ms (current and light) 10 ms (light only) Possible to block the function or change operation mode via a binary input May 13, 2010 Slide 35

36 Control functions Control of the HV side circuitbreaker via the IED s HMI or a remote control system Dedicated push-buttons for opening and closing of the CB Interlocking schemes May 13, 2010 Slide 36

37 Operation traceability For pre and post fault analysis Data is stored in non-volatile memory Setting values Configuration Trip lock-out Disturbance recorder data Up to 50 event codes Recorded data of the four latest starts/trips of the protection stages (incl. time stamp) CB conditioning monitoring values Thermal loading level Operation indications and alarm LEDs show the status of the IED May 13, 2010 Slide 37

38 Disturbance recorder Records up to 12 analog channels and 64 binary channels Triggering by: Analog or binary channel Manual or periodic command Recording modes: Wave form or trend Selectable sampling rate, 32/16/8 samples per cycle Max 2 X 10 sec with the highest sampling rate and the maximum number of recorded channels. Max 4 X 10 sec if six analog channels are recorded May 13, 2010 Slide 38

39 Self-supervision Continuous monitoring of: Memory circuits (RAM, ROM, EEPROM) CPU operation and program execution Internal supply voltages Output relay supervision External trip circuit (TCS) Light sensor inputs Hardware and software configuration May 13, 2010 Slide 39

40 Transformer condition monitoring Monitoring via binary inputs Oil level low Buchholz relay Winding temperature indicator Tank pressure relief Tap-changer position as BCD-signal May 13, 2010 Slide 40

41 CB condition monitoring Provides information for scheduling CB maintenance Monitors the wear and tear of the circuit-breaker Circuit-breaker gas pressure Circuit-breaker spring charging Circuit-breaker travel time Circuit-breaker operation counter Scheduled maintenance May 13, 2010 Slide 41

42 Access control Individual user accounts with role-based access control protects the IED from unauthorized access Four access levels: viewer, operator, engineer and administrator Applies to: Front-panel user interface Web browser based user interface PCM600 Passwords programmable by the administrator May 13, 2010 Slide 42

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44 615 series Designed for IEC Native support for IEC communication between devices in substations IEC enables GOOSE (Generic Object Oriented Substation Event) horizontal communication between IEDs RET615 can simultaneously report events to five different clients on the station bus RET615 also supports: Modbus TCP/IP and RTU / ASCII DNP3 TCP/IP and serial IEC May 13, 2010 Slide 44

45 615 series IEC GOOSE communication Network control centre MicroSCADA Pro Station Automation COM600 Station bus IEC Standardized horizontal communication enables interoperability between any IEDs supporting GOOSE communication Used for transmitting binary process data to peer IEDs within a substation Ethernet technology offers a fast and reliable station bus for the transfer of data The publisher-subscriber principle allows the IEDs to send and/or receive time critical data May 13, 2010 Slide 45

46 615 series GOOSE communication benefits Expandability and flexibility: Flexible modifications without changing the wiring between the IEDs No IED I/Os are needed for the transer of data between the IEDs Reduced wiring between the IEDs Possible to add functionality like interlocking schemes between the cubicles in existing switchgear (retrofit) Supervised data transfer (connection and data quality) RET615 meets the GOOSE performance requirements for tripping applications in distribution substations, as defined by the IEC standard May 13, 2010 Slide 46

47 Time synchronization methods Ethernet-based time synchronization: SNTP (Simple Network Time Protocol) With special time synchronization wiring: IRIG-B (Inter-Range Instrumentation Group - Time Code Format B Time stamp resolution: 1 ms Serial protocol based: Modbus DNP3 IEC May 13, 2010 Slide 47

48 Front port communication RJ-45 Ethernet connector IED configuration using PCM600 IED access using the webbrowser-based HMI LED indication on the local HMI during data transfer Both crossover and regular cables can be used May 13, 2010 Slide 48

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50 615 series Patented and compact plug-in design Speeds up installation, maintenance and testing of the protection Contributes to a shortened MTTR (mean time to repair) Allows the cases to be installed and wired before the plug-in units are delivered Mechanical coding system for preventing insertion of a wrong plug-in unit in a case Sealable pull-out handle to prevent accidental (or unauthorized) withdrawal of the plug-in unit May 13, 2010 Slide 50

51 615 series IED case and plug-in unit Height: frame 177 mm, case 164 mm Width: frame 177 mm (4U), case 160 mm Depth: case 155 mm IP classification IP54 IP20 When panelmounted Rear side May 13, 2010 Slide 51

52 615 series Flush and semi flush mounting Flush mounting The same cut-out on the cubicle front as for the 610 series IEDs (height: ±1, width: ±1) Semi-flush mounting With a 50 mm rising frame May 13, 2010 Slide 52

53 615 series Semi flush and wall mounting Semi-flush mounting in a 25 angle With special accessories Wall mounting The IED can be tilted for easy access to the connectors May 13, 2010 Slide 53

54 615 series Panel and rack mounting Mounting using a 19 mounting panel One or two IEDs Mounting with an RTXP test switch in a 19 rack For routine testing purposes May 13, 2010 Slide 54

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56 615 series Three dedicated LEDs: Ready, Start,Trip 4 x 16 character display (LCD) CB Control, OPEN and CLOSE buttons 11 programmable LEDs ENTER button CLEAR button Front communication port MENU button ESC button Navigation buttons LOCAL/REMOTE button, HELP AUTHORIZATION May 13, 2010 Slide 56

57 615 series Display options Large LCD, mono-spaced 10 x 20 characters, variable width 8 x 8 (or more) characters Small LCD, mono-spaced 4 x 20 characters, variable width 4 x 8 (or more) characters Background light with powersaving mode Option: Small LCD Large LCD May 13, 2010 Slide 57

58 Display readouts IEC naming, classic IEC symbols or ANSI codes: (PHLPTOC1, 3I>, 51P-1) Fault indications Four fault recordings with time stamp Measurements May 13, 2010 Slide 58

59 Display readouts, cont d Name or code of protected objects Settings in 4 setting groups Configurations such as protocol settings etc. Product information, serial number, software version, identification etc. May 13, 2010 Slide 59

60 May 13, 2010 Slide 60

61 PCM600 Web-browser-based user interface RET615 connectivity package Version 2.0 SP2 or later IE 7.0 or later 2.5 or later May 13, 2010 Slide 61

62 PCM600 Protection and control IED Manager A common tool for new and existing protection IEDs and terminals IED-specific connectivity packages enable the use PCM600 for different ABB protection IEDs and terminals Supports IEC GOOSE messaging configuration (PCM600 Engineering Pro) IED interaction using: Corporate LAN/WAN The IED s communication port May 13, 2010 Slide 62

63 PCM600 All tools needed to manage RET615 are included in PCM600: Signal matrix Signal monitoring IED parameter setting Disturbance recorder handling and viewing IEC (GOOSE) communication configuration Modbus communication configuration DNP3 communication configuration IEC communication configuration Access control management May 13, 2010 Slide 63

64 PCM600 Power system overview PCM600 offers the possibility to create a tree-structure representing your individual power system, including: Project name Substations Voltage levels Bays IEDs/terminals May 13, 2010 Slide 64

65 615 series Web-browser based user interface Local or remote IED access using an IE 7.0 (or later) web browser Disabled by default, enabled by PCM600 or the local front-panel interface Functions: Viewing of alarm LEDs and event lists Saving of event data Parameter setting Signal monitoring Measurement viewing Phasor diagram viewing (both HV and LV phasors) Reading of disturbance records User access level authentication May 13, 2010 Slide 65

66 Differential characteristics tool Included in the connectivity package Visual presentation of the differential protection characteristics Possibility to read fault records from the IED and present them on the characteristic Writing of parameters to the IED using the local HMI, the web-browser based HMI or PCM600

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68 Product summary IEC communication including GOOSE messaging Stabilized and instantaneous differential protection for two-winding power transformers Versatile, user selectable earth-fault protection modes Non-directional overcurrent back-up protection Thermal overload protection Optional arc protection with three sensors CB control buttons on the HMI Rapid set-up and commissioning, four standard configurations Patented plug-in / draw-out design Optimized size - suitable for retrofit purposes Versatile tools May 13, 2010 Slide 68

69 Selection and ordering data, digit 1-3 May 13, 2010 Slide 69

70 Selection and ordering data, digit 4-8 May 13, 2010 Slide 70

71 Selection and ordering data, digit 9-11 May 13, 2010 Slide 71

72 Selection and ordering data, digit 9-11 May 13, 2010 Slide 72

73 Selection and ordering data, digit May 13, 2010 Slide 73

74 Selection and ordering data, ordering code May 13, 2010 Slide 74

75 Please visit our website for the latest product information May 13, 2010 Slide 75

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