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3 Operation

(continued)

C232-302-401/402/403/404-603 / C232/EN M/A23

3-79

3.9.19 Time Tagging and Clock Synchronization

The data stored in the operating data memory, the monitoring signal memory, and the
event memories are tagged with date and time of day. For correct time tagging, the date
and time need to be set in the C232.

The time of different devices may be synchronized by a pulse through an appropriately
configured binary signal input. The C232 evaluates the rising edge. In this way, the
clock is set to the next full minute, rounding up or down. If several start/end signals
occur (bouncing of a relay contact), the last edge is evaluated.

!

The C232 is not providing a battery backed-up real-time clock. After power-up time and
date has to be set by user or serial link.

3-58

Date and time setting and clock synchronization

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Содержание MiCOM C232

Страница 1: ...OM C232 Compact Bay Unit for Control and Monitoring with Protection Functions Version 302 401 402 403 404 603 Technical Manual C232 EN M A23 Volume 1 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 2: ...Compact Bay Unit for Control and Monitoring with integrated Protection Functions C232 Version 302 401 402 403 404 603 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 3: ...d are able to perform switching operations in accordance with safety engineering standards and are authorized to energize and de energize equipment and to isolate ground and label it are trained in the care and use of safety apparatus in accordance with safety engineering standards are trained in emergency procedures first aid Note The operating manual for this device gives instructions for its in...

Страница 4: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 5: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 6: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 7: ...Modifications After Going to Press w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 8: ...11 3 4 1 PC Interface Function Group PC 3 11 3 4 2 Logical Communication Interface 1 Function Group COMM1 3 13 3 4 3 Logical Communication Interface 2 Function Group COMM2 3 13 3 5 Configuration and Operating Mode of the Binary Inputs Function Group INP 3 22 3 6 Measured Data Input Function Group MEASI 3 23 3 6 1 Direct Current Input 3 24 3 7 Configuration Operating Mode and Blocking of the Output...

Страница 9: ...85 3 12 Operating Data Recording Function Group OP_RC 3 87 3 13 Monitoring Signal Recording Function Group MT_RC 3 88 3 14 Fault Data Acquisition Function Group FT_DA 3 89 3 15 Fault Recording Function Group FT_RC 3 93 3 16 Time Overcurrent Protection Function Group DTOC 3 99 3 17 Inverse Time Overcurrent Protection Function Group IDMT 3 108 3 18 Limit Value Monitoring Function Group LIMIT 3 122 3...

Страница 10: ...l at the Panel Level 6 8 6 4 1 Bay Panel 6 8 6 4 2 Measured Value Panels and Signal Panel 6 15 6 5 Control at the Menu Tree Level 6 17 6 5 1 Navigation in the Menu Tree 6 17 6 5 2 Switching between Address Mode and Plain Text Mode 6 18 6 5 3 Change Enabling Function 6 19 6 5 4 Changing Parameters 6 22 6 5 5 Setting a List Parameter 6 23 6 5 6 Memory Readout 6 25 6 5 7 Resetting 6 29 6 5 8 Password...

Страница 11: ...ters 8 21 8 2 2 Measured Event Data 8 22 8 2 3 Event Recording 8 22 9 Commissioning 9 1 9 1 Safety Instructions 9 1 9 2 Commissioning Tests 9 2 10 Troubleshooting 10 1 11 Maintenance 11 1 12 Storage 12 1 13 Accessories and Spare Parts 13 1 14 Order Information 14 1 AP Appendix AP 1 AP A Glossary A 1 AP B List of Signals B 1 AP C List of Bay Types C 1 AP D Terminal Connection Diagrams D 1 AP E Addr...

Страница 12: ...tion the user friendly interface makes it easy to set the unit and allows safe operation of the substation by preventing non permissible switching operations The C232 has the following general functions Control functions Control and monitoring of up to six switchgear units Selection from over 200 pre defined bay types Bay interlock Tap changer controller Local control and display via user selected...

Страница 13: ...itored and 6 of these can be electrically controllable The nominal voltage range of the optical coupler inputs is 24 to 250 V DC without internal switching The auxiliary voltage input for the power supply is a wide range design The nominal voltage ranges are 48 to 250 V DC and 100 to 230 V AC All output relays are suitable for both signals and commands Nominal voltages and currents of the measurin...

Страница 14: ...C 529 Case and Terminals IP 20 Front panel flush mounted IP 51 Weight Up to 3 5 kg Dimensions and Connections See dimensional drawings Chapter 4 and terminal connection diagrams Appendix E Terminals PC Interface X6 DIN 41652 connector type D Sub 9 pin Communication Interface Optical fibers X7 and X8 F SMA optical fiber connection per IEC 874 2 or DIN 47258 plastic fiber or BFOC ST fiber optic conn...

Страница 15: ...evel 3 Contact discharge single discharges 10 Holding time 5 s Test voltage 6 kV Test generator 50 to 100 MΩ 150 pF 330 Ω Immunity to Radiated Electromagnetic Energy Per EN 61000 4 3 and ENV 50204 severity level 3 Antenna distance to tested device 1 m on all sides Test field strength frequency band 80 to 1000 MHz 10 V m Test using AM 1 kHz 80 Single test at 900 MHz AM 200 Hz 100 Electrical Fast Tr...

Страница 16: ...Energizing Quantity Per IEC 255 11 12 Insulation Voltage Test Per EN 61010 1 and IEC 255 5 2 kV AC 60 s Direct voltage 2 8 kV DC must be used for the voltage test of the power supply inputs The PC interface must not be subjected to the voltage test Impulse Voltage Withstand Test Per IEC 255 5 Front time 1 2 µs Time to half value 50 µs Peak value 5 kV Source impedance 500 Ω Mechanical robustness Vi...

Страница 17: ...5 C to 70 C or 13 F to 158 F Ambient Humidity Range 75 relative humidity annual mean 56 days at 95 relative humidity and 40 C or 104 F condensation not permissible Solar Radiation Direct solar radiation on the front of the device must be avoided 2 5 Inputs and Outputs Measurement inputs Current Nominal current Inom 1 and 5 A AC per order Nominal consumption per phase 0 1 VA at Inom Load rating con...

Страница 18: ...uous current 8A Short duration current 30 A for 0 5 s Making capacity 1000 W VA at L R 40 ms Breaking capacity 0 2 A at 220 V DC and L R 40 ms 4 A at 230 V AC and cos ϕ 0 4 2 6 Interfaces Local control panel Input or output More than 12 keys and an LCD display with 16 lines and 21 columns 128 x 128 pixels State and fault signals 13 LED indicators 5 permanently assigned 8 freely configurable PC int...

Страница 19: ...5 m Order Code Transmission Rate Interface 456 926 one channel available 300 to 64 000 baud adjustable COMM1 456 922 two channels available 300 to 64 000 baud adjustable 300 to 57 600 baud adjustable COMM1 COMM2 Glass Fiber Connection G 50 125 Optical wavelength typically 820 nm Optical output min 19 8 dBm Optical sensitivity min 24 dBm Optical input max 10 dBm Distance to be bridged 1 max 400 m O...

Страница 20: ...ed data signals and indications see Address List 2 8 Settings Typical characteristic data Main Function Minimum output pulse for trip command 0 1 to 10 s adjustable Output pulse for close command 0 1 to 10 s adjustable Definite Time and Inverse Time Overcurrent Protection Operate time inclusive of output relay measured variable from 0 to 2 fold operate value 40 ms approx 30 ms Reset time measured ...

Страница 21: ... Deviation where I 2 Iref 5 10 to 25 ms For IEC characteristic extremely inverse and for thermal overload protection 7 5 10 to 20 ms 2 9 3 Deviations of Measured Data Acquisition Definitions Reference Conditions Sinusoidal signals at nominal frequency fnom total harmonic distortion 2 ambient temperature 20 C 68 F and nominal auxiliary voltage VA nom Deviation Deviation relative to the correspondin...

Страница 22: ...ic state signals see Operating Data Memory in the Address List Depth The 100 most recent signals Monitoring signal memory Scope All signals relating to self monitoring from a total of 48 different logic state signals see Monitoring Signal Memory in the Address List Depth Up to 30 signals Fault memory Number The 8 most recent fault events Scope for signals All signals relating to a fault event from...

Страница 23: ... range 150 V AC 2 11 Power Supply Power supply Nominal auxiliary voltage VA nom 48 to 250 V DC and 100 to 230 V AC Operating range for direct voltage 0 8 to 1 15 VA nom with a residual ripple of up to 12 VA nom Operating range for alternating voltage 0 8 to 1 15 VA nom Nennverbrauch bei UH 220 V und maximaler Bestückung Ausgangsstellung Wirkstellung max 20 W Start up peak current 3 A for duration ...

Страница 24: ... Vsat as follows max 1 i op sat I k R R V Alternatively the current transformer can also be dimensioned for the minimum required rated overcurrent factor n by specifying a rated power Pnom as follows nom max 1 i nom i op nom max 1 i nom i op I I k P P P P I I k R R R R n where 2 nom i i 2 nom op op 2 nom nom nom I R P I R P I R P Theoretically the current transformer could be dimensioned for lack ...

Страница 25: ...secondly of the system time constant T1 The overdimensioning factor that is needed can be read from the empirically determined curves in Figure 2 1 When inverse time maximum current protection is used the overdimensioning factor can be taken from Figure 2 2 0 01 0 1 1 10 1 10 100 k T1 500 ms T1 250 ms T1 100 ms T1 50 ms T1 25 ms T1 10 ms I 1 max I operate 2 1 Required overdimensioning factor for d...

Страница 26: ... 401 402 403 404 603 C232 EN M A23 2 13 0 5 10 15 20 25 0 50 100 150 200 250 k T1 ms 2 2 Required overdimensioning factor for inverse time maximum current protection where fnom 50 Hz w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 27: ...2 14 C232 302 401 402 403 404 603 C232 EN M A23 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 28: ... C232 a numeric device is part of the MiCOM P 30 family of devices The device types included in this family are built from identical uniform hardware modules Figure 3 1 shows the basic hardware structure of the C232 3 1 Basic hardware structure w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 29: ...ments necessary for the conversion of measured analog variables including multiplexers and analog digital converters Binary signals are fed to the processor module by the binary I O via the internal bus system The processor handles the processing of digitized measured variables and of binary signals generates the protective trip as well as the control commands and signals and transfers them to the...

Страница 30: ... control parameters are grouped here for example those for resetting counters memories and displays Events branch The third branch is reserved for the recording of events Therefore all information contained in this group is stored In particular the start end signals during a fault the measured fault data as well as sampled fault records are stored here and can be read out at a later time Settings ...

Страница 31: ...ected bay is displayed on the Bay Panel in single pole representation The activation of the Bay Panel display is described in the Chapter entitled Local Control The user can choose between several character sets for representing switchgear units on the Bay Panel The character sets are illustrated in the Chapter entitled Local Control Each device in the bay representation is identified by an extern...

Страница 32: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 5 3 2 Bay Panel w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 33: ... that will be displayed on the Operation Panel by setting an m out of n parameter If more measured values are selected for display than the LC display can accommodate then the display will switch to the next set of values at intervals defined by the setting at L O C H o l d t i m e f o r P a n e l s or when the appropriate key on the local control panel is pressed 3 3 Operation Panel w w w E l e c...

Страница 34: ...ault memories are reset The user can select the measured fault values that will be displayed on the Fault Panel by setting an m out of n parameter If more measured values are selected for display than the LC display can accommodate then the display will switch to the next set of values at intervals defined by the setting at L OC H o ld time fo r P a n e l s or when the appropriate key on the local...

Страница 35: ...IN Inp asg L R key sw If the input is configured to L R key switch then the L R key on the local control panel is without function The setting at LOC Fct assign L R key determines whether the switching using either the local control panel key or the key switch is between local and remote control L R or between local remote and local control R L L If only remote control is enabled then there will b...

Страница 36: ...tings have been assigned to communication channel 2 then this means that the settings for logical communication interface 2 COMM2 will automatically be active for communication channel 1 Communication with the C232 via communication channel 2 is only possible when the PC interface is inactive As soon as communication occurs through the PC interface communication channel 2 is dead If tests are run ...

Страница 37: ...3 Operation continued 3 10 C232 302 401 402 403 404 603 C232 EN M A23 22Z5133A 3 6 PC interface settings w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 38: ...n 1997 12 corresponds to VDEW ZVEI Recommendation Protection communication companion standard 1 compatibility level 2 February 1995 edition with additions covering control and monitoring IEC 870 5 101 Telecontrol equipment and systems Part 5 Transmission protocols Section 101 Companion standard for basic telecontrol tasks first edition 1995 11 ILS C internal protocol of AREVA Energietechnik GmbH M...

Страница 39: ...3 Operation continued 3 12 C232 302 401 402 403 404 603 C232 EN M A23 3 7 Logical communication interface 1 selecting the interface protocol w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 40: ...n continued C232 302 401 402 403 404 603 C232 EN M A23 3 13 22Z5129A 3 8 Logical communication interface 1 settings for the IEC 60870 5 103 interface protocol w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 41: ...n continued 3 14 C232 302 401 402 403 404 603 C232 EN M A23 22Z5130A 3 9 Logical communication interface 1 settings for the IEC 60870 5 101 interface protocol w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 42: ...ation continued C232 302 401 402 403 404 603 C232 EN M A23 3 15 22Z5131A 3 10 Logical communication interface 1 settings for the ILS_C interface protocol w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 43: ...3 Operation continued 3 16 C232 302 401 402 403 404 603 C232 EN M A23 3 11 Logical communication interface 1 settings for the MODBUS protocol w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 44: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 17 3 12 Logical communication interface 1 settings for DNP 3 0 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 45: ...per IEC 60870 5 103 IEC 60870 5 101 or ILS C there is the option of selecting a signal for testing purposes This transmission of this signal to the control station as sig start or sig end can then be triggered via the local control panel 3 13 Checking spontaneous signaling w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 46: ...ogical Communication Interface 2 Function Group COMM2 Logical communication interface 2 supports the IEC 60870 5 103 interface protocol In order for data transfer to function properly several settings must be made in the C232 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 47: ...3 Operation continued 3 20 C232 302 401 402 403 404 603 C232 EN M A23 22Z5132A 3 14 Settings for logical communication interface 2 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 48: ... signaling There is the option of selecting a signal for testing purposes This transmssion of this signal to the control station as sig start or sig end can then be triggered via the local control panel 3 15 Checking spontaneous signaling w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 49: ...n be assigned to several signal inputs Thus one function can be activated from several control points having different signal voltages In this manual we assume that the required functions marked EXT in the address description have been assigned to binary signal inputs by configuration Operating mode of the binary inputs The operating mode for each binary signal input can be defined The user can sp...

Страница 50: ...at is conditioned for monitoring purposes IDClin is also displayed as a measured operating value In addition it is monitored by the limit value monitoring function to determine whether it exceeds or falls below set thresholds see Limit Value Monitoring Disabling and enabling the measured data input function The measured data input function can be disabled or enabled from the local control panel 3 ...

Страница 51: ...ut current IDC will correspond to the current that is monitored by the limit value monitoring function IDC lin The resulting points which are called interpolation points are connected by straight lines in an IDC IDClin diagram In order to implement a simple characteristic it is sufficient to specify two interpolation points which are also used as limiting values Figure 3 18 Up to 20 interpolation ...

Страница 52: ...ppression Zero suppression is defined by setting M EASI Enable IDC p u If the direct current does not exceed the set threshold the per unit input current IDC p u and the current IDClin will be displayed as having a value of 0 Open circuit and overload monitoring The device is equipped with an open circuit monitoring function If current IDC falls below the set threshold the signal M EASI Open circ ...

Страница 53: ...3 Operation continued 3 26 C232 302 401 402 403 404 603 C232 EN M A23 3 20 Analog direct current input w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 54: ...ation described above the user has the option of scaling the linearized values Thus even negative values for example can be displayed and are available for further processing by other functions 3 21 Scaling the linearized measured value w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 55: ...en circuit principle or normally energized arrangement NE closed circuit principle and whether it will operate in latching mode Latching is disabled manually from the local control panel or through an appropriately configured binary signal input either at the onset of a new fault or at the onset of a new system disturbance depending on the operating mode selected Blocking the output relays The C23...

Страница 56: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 29 3 22 Configuration setting the operating mode and blocking the output relays w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 57: ...3 Testing the output relays For testing purposes the user can select an output relay and trigger it via the local control panel Triggering persists for the duration of the set hold time 3 23 Testing the output relays w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 58: ...ned to several LED indicators by configuration Operating mode of the LED indicators The user can set an operating mode for each LED indicator with the exception of the first one The operating mode determines whether the LED indicator will operate in an energize on signal arrangement ES open circuit principle or normally energized arrangement NE closed circuit principle and whether it will operate ...

Страница 59: ...3 Operation continued 3 32 C232 302 401 402 403 404 603 C232 EN M A23 3 24 Configuration and operating mode of the LED indicators w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 60: ...ng debouncing and chatter suppression are included as a standard Each of these signals can be assigned to one of eight groups For each of these groups the user can set the debouncing time and chatter suppression Matching of these two parameters achieves the suppression of signal pulse edges as caused by a bouncing contact and of signals originating from transmitters near the trigger point w w w E ...

Страница 61: ...on continued 3 34 C232 302 401 402 403 404 603 C232 EN M A23 3 25 Group assignment and setting of debouncing and chatter suppression illustrated for group 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 62: ...s the timer stage If the signal is stable until the set debouncing time elapses a telegram containing the time tag of the first pulse edge is generated If the signal has not changed its state from the occurrence of the first pulse edge to the elapsing of the set debouncing time no telegram is generated 3 26 Signal flow for debouncing example Set debouncing time 50 ms Key s start e end w w w E l e ...

Страница 63: ...issible signal changes After the first inadmissible signal change no further telegrams are generated and the timer stage is retriggered While the timer stage is elapsing it is retriggered by each new signal change Once the timer stage has elapsed each signal change triggers a telegram 3 27 Signal flow for debouncing and chatter suppression example Set debouncing time 20 ms Set chatter monitoring t...

Страница 64: ...user can contact the manufacturer of the C232 to request the definition of a customized bay type for loading into the C232 The number of this additional bay type will then be displayed at MAIN Customized bay type Once the user has selected a bay type the C232 can automatically configure the binary inputs and outputs with function assignments for the control of switchgear units The assignment of in...

Страница 65: ... be monitored or determined depending on the fitted transformers and the measured value assignments The measured variables are electrically isolated converted to normalized electronics levels The analog quantities are digitized and are thus available for further processing Settings that do not refer to nominal quantities are converted by the C232 to nominal quantities For this purpose the user mus...

Страница 66: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 39 3 29 Connecting the C232 measuring circuits w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 67: ...asuring transformers are displayed Phase currents for all three phases Maximum and maximum phase current Delayed and stored maximum phase current Residual current evaluated by the C232 Phase to ground voltages Sum of the three phase to ground voltages Phase to phase voltages Maximum phase to phase voltage Minimum phase to phase voltage Maximum phase to ground voltage Minimum phase to ground voltag...

Страница 68: ...nt values are displayed both as per unit quantities referred to the nominal quantities of the C232 and as primary quantities In order for values to be displayed as primary values the primary nominal current of the system transformer needs to be set in the C232 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 69: ...3 Operation continued 3 42 C232 302 401 402 403 404 603 C232 EN M A23 22Z5134A 3 30 Measured operating data phase current w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 70: ...of maximum phase current IP max Stored maximum phase current display The stored maximum phase current follows the delayed maximum phase current If the value of the delayed maximum phase current is declining then the highest value of the delayed maximum phase current remains stored The display remains constant until the actual delayed maximum phase current exceeds the value of the stored maximum ph...

Страница 71: ...3 Operation continued 3 44 C232 302 401 402 403 404 603 C232 EN M A23 3 31 Operation of delayed and stored maximum phase current display w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 72: ...antities referred to the nominal quantities of the C232 and as primary quantities In order for values to be displayed as primary values the primary nominal voltage of the system transformer needs to be set in the C232 3 32 Determining the minimum and maximum phase to ground and phase to phase voltages w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 73: ...3 Operation continued 3 46 C232 302 401 402 403 404 603 C232 EN M A23 3 33 Measured operating data phase to ground and phase to phase voltages w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 74: ...iation in the combination of measuring transformers fitted the following combinations of measured variables are possible One current and one voltage Three currents and one voltage One current and three voltages If more than one current or one voltage is measured the C232 selects the matching current voltage pair and determines the load angle Active and reactive power are not intended to be used fo...

Страница 75: ...3 Operation continued 3 48 C232 302 401 402 403 404 603 C232 EN M A23 3 34 Measured operating data power active power factor and angle w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 76: ... C232 EN M A23 3 49 Frequency If the C232 measures at least one voltage and if this voltage has an amplitude in the range 0 1 Vnom V 1 35 Vnom the frequency is determined 3 35 Frequency measurement w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 77: ...lue of energy output or input is reached integration begins again from zero Energy output and input can be reset jointly at MAIN Reset meas v energy Active and reactive power are not intended to be used for billing purposes High rate of changes of measurements may cause degradation of functionality of operating data measurement 3 36 Determining the active and reactive energy output and input w w w...

Страница 78: ...ne of the functions of the device function to be canceled may be assigned to a binary input None of the signals of the device function must be assigned to a binary output or an LED indicator If the above conditions are met proceed through the Configuration Parameters branch of the menu tree to access the setting parameters relevant for canceling device functions If you wish to cancel the LIMIT fun...

Страница 79: ...r neither of the two functions is configured this is interpreted as Protection externally enabled If the triggering signals of the binary signal inputs are implausible as for example when they both have a logic value of 1 then the last plausible state remains stored in memory Note If the protection function is disabled via the binary signal input that is configured for MAIN D is a b le p r o te c ...

Страница 80: ...eans is effective depends on the setting at MAIN Syst IN enabled USER Enabling from either the integrated local control panel or through binary signal inputs is equally effective If only MAIN System IN enable EXT is assigned to a binary signal input the residual current measuring systems of the DTOC IDMT protection will be enabled by a positive edge of the input signal they will be disabled by a n...

Страница 81: ...peration continued 3 54 C232 302 401 402 403 404 603 C232 EN M A23 3 38 Enabling or disabling the residual current systems of the DTOC IDMT protection w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 82: ...s possible to switch for the duration of the set hold time to other settings the dynamic parameters through an appropriately configured binary signal input If the hold time is set to 0 s the switching is effective while the binary signal input is being triggered 3 39 Activation of dynamic parameters w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 83: ...negative sequence current starting of inverse time overcurrent protection IDMT The inrush stabilization function identifies an inrush current by evaluating the ratio of the second harmonic current components to the fundamental wave If this ratio exceeds the set threshold then the inrush stabilization function operates Another settable current trigger blocks inrush stabilization if the current exce...

Страница 84: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 57 3 40 Inrush stabilization harmonic restraint w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 85: ...drive not ready or by the trip command of an external protection device To the function blocks 1 and 2 the binary input signals conditioned by debouncing and chatter suppression or the output signals of the programmable logic function can be assigned by setting a 1 out of n parameter The input signal of the function blocks starts a timer stage Once this has elapsed the signal MAIN Fct block 1 acti...

Страница 86: ...itions may be defined by selecting m out of n parameters The items available for selection are found in the Address List In this way the functions defined by the selection can be blocked by way of an appropriately configured binary signal input 3 42 Multiple blocking w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 87: ... H 2 on the local control panel and also by a signal through the output relay configured for MAIN Blocked faulty In addition the user can select the functions that will produce the MAIN Blocked faulty signal by setting an m out of n parameter The signal MAIN Bloc k ed faulty is coupled to the activation of the LED labeled OUT OF SERVICE 3 43 Blocked faulty signal w w w E l e c t r i c a l P a r t ...

Страница 88: ...DEV02 or that represents the circuit breaker Coupling between control and protection for the Closed position signal is achieved by the setting MAIN Sig asg CB closed As a result the CB status signal needs to be assigned to one binary input only if this coupling is implemented 3 44 Coupling between control and protection for the CB closed signal w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 89: ...cal control panel or binary signal input is only executed if there is no trip command and no trip has been issued by a parallel protection device Moreover the close command is not executed if there is a CB closed position signal The duration of the close command may be adjusted by a setting Close command counter The close commands are counted The counter may be reset either individually or togethe...

Страница 90: ...ned by the configuration of the input assignment of the relevant multiple signal Both an updated and a stored signal are generated The stored signal is reset by the following mechanisms General reset Latching reset Reset of the LED indicators A command received through the communication interface If the multiple signaling is still present at the time of the reset the stored signal will follow the ...

Страница 91: ...3 Operation continued 3 64 C232 302 401 402 403 404 603 C232 EN M A23 3 46 Multiple Signaling w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 92: ...tive starting signals and by the signals of residual current starting and negative sequence system starting While the timer stage is elapsing the starting signals are blocked The starting signals are blocked directly by motor protection if the startup of a motor has been detected Blocking is ineffective if a trip signal is present The operate delays of the residual current and negative sequence cu...

Страница 93: ...3 Operation continued 3 66 C232 302 401 402 403 404 603 C232 EN M A23 3 47 Phase selective starting signals w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 94: ...nvolved in forming the general starting signal If the operate signal of a residual current stage and the negative sequence current stage does not cause a general starting due to the setting then the associated operate delays will be blocked As a result a trip command can not be issued by residual current and negative sequence current stages 3 48 General starting Counter of general starting signals...

Страница 95: ...ple signaling of the DTOC and IDMT protection functions The trip signals generated by DTOC and IDMT protection are grouped together to form multiple signals 3 49 Multiple signaling of the DTOC and IDMT protection functions w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 96: ...ching mode is selected the trip command persists until it is reset from the local control panel or via an appropriately configured binary signal Blocking the trip commands The trip commands may be blocked from the integrated local control panel or through an appropriately configured binary signal input Blocking is effective for both trip commands The trip signals are not affected by blocking If th...

Страница 97: ...3 Operation continued 3 70 C232 302 401 402 403 404 603 C232 EN M A23 22Z5116A 3 50 Forming the trip commands w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 98: ...al input configured accordingly It is not executed however unless the manual trip is included in the selection of possible functions to effect a trip 3 51 Manual trip command Trip command counter The trip commands are counted The counters can be reset either individually or as a group 3 52 Trip command counter w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 99: ...nput configured for tripping is set to a logic value of 1 or the selected trip command of the C232 is present At the input configured for CB trip a logic value of 1 is present The CB trip signal of an external device can also be signaled For this task one input needs to be configured for CB trip enable ext a further input for CB trip ext w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 100: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 73 22Z5117A 3 53 CB trip signal w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 101: ...ce within the bay that is subject to control actions and for each control direction Open Close Different conditions are defined for the bay interlock equations for operation with or without station interlock The interrogation of the bay or station interlock equations can be canceled for all electrically controllable switchgear units within a bay If the station interlock is active it may be cancele...

Страница 102: ...inued C232 302 401 402 403 404 603 C232 EN M A23 3 75 3 54 General enable for switch commands issued by the control functions activating or canceling the interlocks w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 103: ...3 Operation continued 3 76 C232 302 401 402 403 404 603 C232 EN M A23 3 55 Rejection of the switching commands w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 104: ... The number of switching operations within a set monitoring period is counted If the number of control actions within the monitoring period exceeds the set limit the signal MAIN Mon mot drives tr is issued For the duration of the set cooling time no control commands to motor driven switchgear units will be executed Once the set cooling time has elapsed the control commands are enabled again 3 56 M...

Страница 105: ...232 EN M A23 3 9 18 Communication Error If a link to the control station can not be established or if the link is interrupted the signal Communication error will be issued 22Z5118A 3 57 Communication error w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 106: ...fferent devices may be synchronized by a pulse through an appropriately configured binary signal input The C232 evaluates the rising edge In this way the clock is set to the next full minute rounding up or down If several start end signals occur bouncing of a relay contact the last edge is evaluated The C232 is not providing a battery backed up real time clock After power up time and date has to b...

Страница 107: ...ed fault data on the local control panel by pressing the clear key C located on the panel Selective resetting of a particular memory type only the fault memory for example from the local control panel or through appropriately configured binary signal inputs General reset In the first two cases listed above only the displays on the local control panel are cleared but not the internal memories such ...

Страница 108: ...the COMM1 logical communication interface has been assigned to communication channel 2 then this means that the settings for logical communication interface 2 COMM2 will automatically be active for communication channel 1 Communication with the C232 via communication channel 2 is only possible when the PC interface is inactive As soon as communication occurs through the PC interface communication ...

Страница 109: ... M A23 3 9 22 Test Mode If tests are run on the C232 the user is advised to activate the test mode so that all incoming signals via the serial interfaces will be identified accordingly 3 61 Setting the test mode w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 110: ...uts allow an unambiguous parameter subset selection This is true only when just one binary signal input is set to a logic value of 1 If more than one signal input is set to a logic value of 1 then the parameter subset previously selected remains active Should a dead interval occur while switching between parameter subsets this is the case if all binary signal inputs have a logic value of 0 then th...

Страница 111: ...3 Operation continued 3 84 C232 302 401 402 403 404 603 C232 EN M A23 3 62 Activating the parameter subsets w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 112: ...ns can be carried out A new attempt to start up the C232 can only be initiated by turning the supply voltage off and then on again Cyclic tests After startup has been successfully completed cyclic self monitoring tests will be run during operation In the event of a positive test result a specified monitoring signal will be issued and stored in a non volatile memory the monitoring signal memory alo...

Страница 113: ...ted by the procedure A warm restart can also be triggered manually by a control action During a warm restart sequence both the protective functions and communication through serial interfaces will be blocked If the same fault is detected after a warm restart has been triggered by the self monitoring system then the protective functions remain blocked but communication through the serial interfaces...

Страница 114: ...ignals relevant for operation include control actions such as function disabling and enabling and triggers for testing and resetting The onset and end of events in the system that represent a deviation from normal operation such as overloads ground faults or short circuits are also recorded The operating data memory can be cleared Counter for signals relevant to system operation The signals stored...

Страница 115: ...n parameter see Self Monitoring If at least one entry is stored in the monitoring signal memory this fact is signaled by the red LED indicator H 3 on the local control panel Each new entry is indicated by a flashing light The monitoring signal memory can only be cleared manually by a control action Entries in the monitoring signal memory are not even cleared automatically if the corresponding test...

Страница 116: ...uration Fault current short circuit current Ground fault current Running time and fault duration The running time is defined as the time between the start and end of the general starting signal that is generated within the C232 and the fault duration is defined as the time between the start and end of the FT_RC Record in progress signal 3 66 Running time and fault duration w w w E l e c t r i c a ...

Страница 117: ...uired The following settings are possible End of fault Acquisition at the end of the fault Trigg Trip GS end Acquisition at one of the following points Triggering of an appropriately configured binary signal input during a general starting state Issue of a general trip signal End of a general starting state 3 67 Enabling of measured fault data acquisition w w w E l e c t r i c a l P a r t M a n u ...

Страница 118: ...using the maximum phase current and the geometric sum of the three phase currents Fault current and ground fault current are displayed as per unit quantities referred to Inom If the measured or calculated values are outside the acceptable measuring range the Overflow indication is displayed 22Z5119A 3 68 Acquisition of fault data short circuit data w w w E l e c t r i c a l P a r t M a n u a l s c...

Страница 119: ...a reset After the reset key C on the local control panel is pressed the fault data value is displayed as Not measured However the values are not erased and can continue to be read out through the PC and communication interfaces w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 120: ... at least one of the following signals is present MAIN General starting MAIN Gen Trip signal 1 MAIN Gen trip signal 2 FT_RC Trigger FT_RC I In addition the user can set an m out of n parameter in order to configure signals whose appearance will trigger fault recording Fault counting Faults are counted and identified by sequential number w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 121: ...3 Operation continued 3 94 C232 302 401 402 403 404 603 C232 EN M A23 22Z5120A 3 69 Start of fault recording and fault counter w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 122: ...e settable pre fault and post fault times are logged in chronological order with reference to the specific fault A total of eight faults each involving a maximum of 200 start or end signals can be stored in the non volatile fault memories After eight faults have been recorded the oldest fault recording will be overwritten unless memories have been cleared in the interim If more than 199 start or e...

Страница 123: ...3 Operation continued 3 96 C232 302 401 402 403 404 603 C232 EN M A23 3 70 Fault memory w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 124: ... recording will terminate when the set maximum recording time is reached The pre fault time is exactly adhered to if it is shorter than the set maximum recording time Otherwise the pre fault time is set to the maximum recording time minus a sampling increment and the post fault time is set to zero If the maximum recording time of 6 s is exceeded the analog values for the oldest fault are overwritt...

Страница 125: ...3 Operation continued 3 98 C232 302 401 402 403 404 603 C232 EN M A23 22Z5121A 3 71 Fault value recording w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 126: ...n Phase current stages The three phase currents are monitored by the C232 with three stage functions to detect when they exceed the set thresholds Alternatively two different threshold types can be active The dynamic thresholds are active for the set hold time of the dynamic parameters see Activation of Dynamic Parameters the normal thresholds are active when no hold time is running If the current...

Страница 127: ...3 Operation continued 3 100 C232 302 401 402 403 404 603 C232 EN M A23 3 73 Phase current stages w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 128: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 101 22Z5122A 3 74 Trip signals of the DTOC phase current stages w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 129: ...c Parameters the normal thresholds are active when no hold time is running If the residual current exceeds the set thresholds timer stages are started Once these stages have elapsed a signal is issued The timer stages may be blocked via appropriately configured binary signal inputs Furthermore the timer stages can depending on the setting be blocked automatically for single pole or multi pole star...

Страница 130: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 103 3 76 Residual current stages w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 131: ...lt is compared with the settable limit value DTOC tIN interm PSx If the limit value is reached and a general starting is present then a trip results provided that it is permitted by the relevant global settings MAIN Block tim st IN neg address 017 015 MAIN Gen starting mode address 017 027 MAIN Fct assig trip cmd 1 address 021 001 MAIN Fct assig trip cmd 2 address 021 002 If the limit value is rea...

Страница 132: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 105 3 78 Hold time logic for definite time characteristics w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 133: ...3 Operation continued 3 106 C232 302 401 402 403 404 603 C232 EN M A23 3 79 Signal flow for values below the accumulation limit value w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 134: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 107 3 80 Signal flow for values at the accumulation limit value w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 135: ... out separately for each parameter set 3 81 Disabling or enabling IDMT protection Time dependent characteristics The measuring systems for the evaluation of the three phase currents the negative sequence current system and the residual current operate independently and can be set separately The user can select from a large number of characteristics see table below The measured variable is the maxi...

Страница 136: ... Time Inverse 120 00 1 00 Per IEEE C37 112 c I I a k t b ref 1 1 2 ref r I I R k t 5 Moderately Inverse 0 0515 0 0200 0 1140 4 85 6 Very Inverse 19 6100 2 0000 0 4910 21 60 7 Extremely Inverse 28 2000 2 0000 0 1217 29 10 Per ANSI c I I a k t b ref 1 1 2 ref r I I R k t 8 Normally Inverse 8 9341 2 0938 0 17966 9 00 9 Short Time Inverse 0 2663 1 2969 0 03393 0 50 10 Long Time Inverse 5 6143 1 0000 2...

Страница 137: ... k 10 k 0 1 k 0 05 IEC 255 3 Very Inverse 1000 100 10 1 0 1 0 01 Characteristic No 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50K3A k 1 k 10 k 0 1 k 0 05 IEC 255 3 Extremely Inverse 1000 100 10 1 0 1 0 01 Characteristic No 3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50K4A k 1 k 10 k 0 1 k 0 05 IEC 255 3 Long Time Inverse 1000 100 10 1 0 1 0 01 Cha...

Страница 138: ... 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50K6C k 1 k 10 k 0 1 k 0 05 IEEE C37 112 Very Inverse 1000 100 10 1 0 1 0 01 Characteristic No 5 Characteristic No 6 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50K7C k 1 k 10 k 0 1 k 0 05 IEEE C37 112 Extremely Inverse 1000 100 10 1 0 1 0 01 Characteristic No 7 3 83 Tripping characteristics per IEEE C37 112 w w w E l e c t...

Страница 139: ...6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50K9C k 1 k 10 k 0 1 k 0 05 ANSI Short Time Inverse 1000 100 10 1 0 1 0 01 Characteristic No 8 Characteristic No 9 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50KAC k 1 k 10 k 0 1 k 0 05 ANSI Long Time Inverse 1000 100 10 1 0 1 0 01 Characteristic No 10 3 84 Tripping characteristics per ANSI w w w E l e c t r i c a l P a...

Страница 140: ...t s S8Z50KBA k 1 k 10 k 0 1 k 0 05 RI Type Inverse 1000 100 10 1 0 1 0 01 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I Iref t s S8Z50KCA k 1 k 10 k 0 1 k 0 05 RXIDG Type Inverse 1000 100 10 1 0 1 0 01 3 85 RI type inverse and RXIDG type inverse tripping characteristics w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 141: ...arting signal if 1 05 times the set reference current is exceeded in one phase The C232 determines the highest of the three phase currents for further processing As a function of this current and of the set characteristic the C232 will determine the tripping time Furthermore a minimum trip time can be set the trip time will not fall below this minimum independent of the magnitude of the current Wh...

Страница 142: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 115 3 86 Phase current stage w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 143: ...rs the normal threshold is active when no hold time is running The IDMT protection function issues a starting signal if the negative sequence current exceeds a value of 1 05 times the set reference current As a function of the set characteristic and of the residual current the C232 will determine the tripping time Furthermore a minimum trip time can be set the trip time will not fall below this mi...

Страница 144: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 117 22Z5126A 3 88 Negative sequence current stage w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 145: ...s the normal threshold is active when no hold time is running The IDMT protection function issues a starting signal if the residual current exceeds a value of 1 05 times the set reference current As a function of the set characteristic and of the residual current the C232 will determine the tripping time Furthermore a minimum trip time can be set the trip time will not fall below this minimum inde...

Страница 146: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 119 3 90 Residual current stage w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 147: ... returns while the hold time elapses the new starting time is added to the stored time If the sum of the starting times reaches the tripping time determined by the C232 then the appropriate message is issued If the starting time does not return while the hold time elapses then the memory storing the sum of the starting times will in accordance with the setting be cleared either without delay or ac...

Страница 148: ... EN M A23 3 121 3 92 The effect of the holding time illustrated for the phase current stage as an example Case A The determined tripping time is not reached Case B The determined tripping time is reached w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 149: ...ound voltage Minimum phase to ground voltage If one of the measured values exceeds or falls below one of the set upper or lower limit values respectively then a signal is issued once a set time period has elapsed If only one voltage transformer is fitted the C232 needs to be informed via the setting MAIN M v asg bay station which voltage phase to ground or phase to phase voltage is connected Depen...

Страница 150: ...3 Operation continued C232 302 401 402 403 404 603 C232 EN M A23 3 123 3 93 Limit value monitoring of minimum and maximum phase current w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 151: ... C232 302 401 402 403 404 603 C232 EN M A23 22Z5135A 3 94 Limit value monitoring of maximum and minimum phase to phase voltage and maximum and minimum phase to ground voltage w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 152: ...lacement voltage calculated from the three phase to ground voltages is monitored by two stages to determine whether it exceeds set thresholds If the thresholds are exceeded a signal is issued after the set timer stage has elapsed 3 95 Monitoring the neutral displacement voltage w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 153: ...nt that is linearized by analog measured data input is monitored by two stages to determine if it exceeds or falls below set thresholds If it exceeds or falls below the thresholds a signal is issued once a set time period has elapsed 3 96 Monitoring the linearized direct current w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 154: ...erica Tel 55 11 3491 7469 Fax 55 11 3491 7476 France Tel 33 0 1 40 89 66 00 Fax 33 0 1 40 89 67 19 British Isles Tel 44 0 1785 27 41 08 Fax 44 0 1785 27 45 74 Northern Europe Tel 49 69 66 32 11 51 Fax 49 69 66 32 21 54 Central Europe Western Asia Tel 48 22 850 96 96 Fax 48 22 654 55 88 Near Middle East Tel 971 6 556 0559 Fax 971 6 556 5133 Mediterranean North West Africa Tel 33 0 1 41 49 88 38 Fax...

Страница 155: ... N D IS T R IBU T IO N Energy Automation Information energy automation information areva td com www areva com Publication C232 302 401 402 403 404 603 C232 EN M A23 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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