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PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual

  

 

 

 

E.2.2 

Technical parameters 

Two-way transmission of analogue signal at a frequency of f = 50 Hz of two linksof 
comparison protections of the DLN910, S103B, S105 type 

Compartive 
protections – setting 
A  

(P

OUT

 max: 2x5 VA) 

One-way transmission of two routes of the 50Hz synchronisation signal with a constant 
voltage amplitude and exact phase for synchronisation of the power plant units with the 
frequency and phase of the region (substation) 

Synchronizing  of 
generators – setting 
B  

(P

OUT

 max: 2x5 VA) 

One-way transmission of one link of the 50Hz synchronisation signal with a constant 
voltage amplitude and exact phase for synchronisation of the power plant units with the 
frequency and phase of the region (substation) with parallel connection of both power 
amplifiers for the doubling of the maximum output power of one channel from 5 VA to 
10VA, at an OUT max of 100 V AC 

Synch. of generators 

– dobled amplifier

 

Setting C  

(P

OUT

 max: 1x10 VA) 

Maximum input voltage of the signal 50Hz (setting A, B, C) 

70 or 110 V AC 

2 k

Ω

 or 5 k

Ω

: setting A) 

50 or 100 V AC 

2 k

Ω

 or 5 k

Ω

: setting B) 

100 V AC (5 VA) 

Maximum output voltage, 50Hz, up to a load of: 

1 k

Ω

 (doubl. ampl. setting C) 

100 V AC (10 VA) 

Phase stability of the output voltage, better than 

2.5

° 

/ Hz 

Amplitude stability of the output voltage 

± 3 V AC 

Amplitude distortion at output level decreased by 20 dB 

<

 1 dB 

Harmonic distortion of the output voltagte  

<

 5% 

Crosstalk ratio between adjacent subchannels 

>

 60 dB 

Signal to noise ratio (to rated output level in idle channel) 

>

 60 dB 

high 

>

 50 k

Ω

 

medium – (for DLN910) 

5 k

Ω

 

± 10%

 

Input impedance options for the 50Hz signal 

low – for S103B, S105) 

2 k

Ω

 

± 10%

 

Time of 50Hz signal transmission without additional setting of delay 

about 0.3 ms 

Delay setting in each channel’s transmitting direction, using dig. delay switch at the 
unit’s panel, in jumps of 

Δ

t = 0.5 ms within the range of: 

0 ms – 23.5 ms 

Setting the delay/phase lead (function is continuously adjustable with jumpers on the 
unit), using an analogue correction phase link (continuously adjustable by the 
resistance trimmer on the unit’s panel) in each channel’s transmitting direction, within 
the range of: 

0.05 ms to 

± 0.5 ms 

0.4 ms to 

± 5 ms

 

Maximum cross section of external cable conductors connected to the terminal blocks 

2 mm

2

 

Mechanical break/make contact of the error relay (with jumper-adjustable function of the 
“break” or “make” contact), supplied with direct current from a DC voltage source 
located in the control centre room, its maximum contact current level being indirectly 
proportional to the given voltage level    

0.4 A / 250 V DC to 
5 A / 24 V DC 

Electrical strength of the input and outpt terminals of the analogue signal and the 
electrical strength of the fault signalling terminals  

2 kV / 1 min AC 

Resistance of the input and output terminals of the analogue signal against overvoltage 
wave whose shape is described in the EN 334000 Standard – 10 ms / 700 ms  

5 kV DC 

Resistance of the fault signalling terminals against overvoltage wave as referred to above 

1 kV DC 

 
 
 
 
 

Power Channel Modules 

E-32 

446S037.914.14N00 

Summary of Contents for PCM30U

Page 1: ... TELEKOMUNIKACE s r o Třebohostická 5 100 00 Praha 10 Czech republic Tel 420 234 052 111 Fax 420 234 052 991 Email pcm30u ttc cz Web http www ttc cz Document no 446S037 914 14N00 2005 This document may be changed or altered without notice ...

Page 2: ... internal source 24 V 30 mA E 14 E 1 7 PBS Technical Parameters E 15 E 1 7 1 General parameters E 15 E 1 7 2 Inputs units with serial number F03 and higher E 16 E 1 7 3 Inputs units with serial number F01 F02 E 17 E 1 7 4 Outputs E 18 E 1 8 Front panel E 19 E 1 9 LED indication E 21 E 1 10 PBS jumpers and mechanical configuration E 23 E 1 10 1 Setting the functioning of ERR1 alarm opto relay E 23 ...

Page 3: ...l channel at setting B Synch gen E 37 E 2 6 Connector of the RO4 unit E 38 E 2 7 RO4 LED E 39 E 2 8 Front panel settins E 40 E 2 9 Alarm signalling E 41 E 2 9 1 Error fast summation channels 1 2 ERR optic relay E 41 E 2 9 2 Error electromechanical relays for channels 1 and 2 ERR1 ERR2 E 41 E 3 The ROR Module E 42 E 4 Notes E 43 List of Diagrams and Figures E SPECIAL 234 MM MODULES FOR PROTECTIONS ...

Page 4: ...an electronic switch guarantees the speed of switching while a mechanical relay makes it possible to have permanent high DC current load even at maximum switched voltage Delayed switch off of the electronic switch prevents arc discharge when the mechanical contacts drop put As a standard the combined outputs are equipped with switch on contacts switch off contacts can be supplied on demand closed ...

Page 5: ...rting commands to full 2 8 Mbps stream through optical cable 1310nm c OS2 converting commands to full 2 8 Mbps stream through optical cable 1550nm d SU64 converting commands to 64 kbps stream with codirectional interface e SUMO converting commands to slow RS232 channel to be transmitted via modem The PWA subrack accommodates one PBS unit PCM30U OCH in the 6OCH4 rack can accommodate up to four PBS ...

Page 6: ...ded also from seeprom located at backplane in 6OCH8 6OCH4 Unit checks 5 V 3 V and Ubk used for feeding relays Switches are used for basic configuration INPUT 1 4 INPUT 5 10 QUIT PW connecter XC202 OUTPUT 1 4 OUTPUT 5 10 ERR1 ERR2 Ub 24 V unit to backplane connecter XC8 Ub internal data 3 3V 5V converter 5V soft start 5 V 3 V KJ position ext sync V 11 Submodule interface PLD Xilinx V 11 RS232 Micro...

Page 7: ...ut 1 Output 1 Td E 1 4 2 Input filtering Input filtering is minimal presence of command at input required to be transmitted to remote PBS Shorter input signals are ignored Result is transmission delay Input 1 10 ms Transmission of input 1 to remote PBS Input filtering 0 ms 5 ms 10 ms 5 ms Transmission of input 1 to remote PBS Input filtering 8 ms 8 ms 10 ms Power Channel Modules E 6 446S037 914 14...

Page 8: ... Input 1 100 ms Transmission of input 1 to remote PBS 50 ms Transmission of input 1 to remote PBS Prolongation to 80 ms 100 ms 100 ms 50 ms 80 ms Transmission of input 1 to remote PBS Prolongation to 150 ms 150 ms 150 ms Transmission of input 1 to remote PBS Prolongation to 200 ms 200 ms 200 ms Power Channel Modules E 7 446S037 914 14N00 ...

Page 9: ...et and applied only at transmitter side Only pairs input can be and or ed Pairs are build from these combinations 1 7 2 8 3 9 4 10 5 6 7 8 9 10 IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7 IN 8 IN 9 IN 10 PBS 1 AND OR AND OR AND OR AND OR AND OR AND OR AND OR OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 OUT 9 OUT 10 PBS 2 Output 1 Input 7 Output 7 Power Channel Modules E 8 446S037 914 14N00 ...

Page 10: ...ion E 1 4 9 PBS to 2x 4PBS Special interconnection of commands designed for transmission from one PBS to two 4PBS Function is performed and selected only et PBS Odd commands are routed to A group even commands are routed to B group This option requires special firmware and is not recommended for direct tripping because is it results in complicated network structure 1 2 3 4 5 6 7 8 9 10 1 2 3 4 1 2...

Page 11: ...s performed every 10 ms E 1 5 2 Button Test This test is intended to be used at commissioning time or at troubleshooting procedure Purpose is to check individual LEDs and routing when PBS with two direction feature is used Test can be initiated only by pressing Test button at unit for time longer then 500 ms Test cannot be initiated when command is active Since it takes some time approximately 500...

Page 12: ... false command as a function of bit error rate for different number of repeats Power Channel Modules E 11 446S037 914 14N00 1 00E 42 1 00E 39 1 00E 36 1 00E 33 1 00E 30 1 00E 27 1 00E 24 1 00E 21 1 00E 18 1 00E 15 1 00E 12 1 00E 09 1 00E 06 1 00E 03 1 00E 00 1 00E 04 1 00E 03 1 00E 02 1 00E 01 1 00E 00 BERR Puc PBSPuc PBSPuc2 PBSPuc4 ...

Page 13: ...nction of bit error rate for different To according to recommendation To 1 2 means that command is stated as lost when delayed more then 1 2 of nominal transmission time Dependability 1 00E 05 1 00E 04 1 00E 03 1 00E 02 1 00E 01 1 00E 00 1 00E 05 1 00E 04 1 00E 03 1 00E 02 BER Pmc 1 1 2 1 5 Power Channel Modules E 12 446S037 914 14N00 ...

Page 14: ...0 V protection Input Input Input 1 to 4 I to Xilinx Current limiter with optorelay Optocoupler and supporting circuit RC filter to remove glitches Logic level converter Resistor network for nominal voltage selection configurable by jumpers 4 kV and 300 V protection Input Input Input 5 to 10 I to Xilinx Outputs 1 to 4 Switch ON accelerate circuit Optorelay Logic level converter Level converter logi...

Page 15: ...erter 300 V Protection ERR1 ERR1 jumper switch XJ800 jumper switch XJ801 Electronical error output ERR1 Level converter logic Ubat 300 V Protection Ubat ERR2 ERR2 jumper switch XJ802 Electromechanical error output ERR2 24 V regulator with over current protection 40 mA 30V Protection Internal source 24 V 30 mA I sense U sense GND Ubat 24 V 30 mA GND Power Channel Modules E 14 446S037 914 14N00 ...

Page 16: ...d while order assembly option SW unit configuration Input command digital filtering 0 48 ms 1 ms Prolonging of command at input 0 10 000 ms 10 ms 0 1200 ms 100 ms 1200 10 000 ms Shortening of command at output 0 1 000 ms 1 ms 0 120 ms 10 ms 120 1000 ms Add and blocking at input Blocking and kvit at output Only one function of kvit and blocking can be used because of they use commonn input KVIT Cap...

Page 17: ... DC Voltage declining 0 45 0 51 Un 0 59 0 64 Un Voltage increasing 0 6 0 65 Un 0 6 0 65 Un Un 48 V DC Voltage declining 0 46 0 52 Un 0 59 0 64 Un Voltage increasing 0 6 0 65 Un 0 6 0 65 Un Un 24 V DC Voltage declining 0 48 0 54 Un 0 59 0 64 Un Input hysteresis Inputs 1 4 Inputs 5 10 ACK input For all nominal voltages 0 08 0 22 Un 0 005 0 03 Un Threshold level can be customized on demand Input curr...

Page 18: ...ing 0 6 0 75 Un 0 6 0 75 Un Threshold voltage Uth Voltage declining 0 45 0 6 Un 0 58 0 73 Un Hysteresis 0 08 0 22 Un 0 008 0 02 Un Threshold level can be customized on demand Input current at nominal voltage Ui Un Selected nominal voltage Un Inputs 1 4 Inputs 5 10 ACK input 220 VDC 3 0 mA 20 2 5 mA 20 110 VDC 3 0 mA 20 2 5 mA 20 48 VDC 3 0 mA 20 2 5 mA 20 24 VDC 3 0 mA 20 2 5 mA 20 Input current b...

Page 19: ...en closed contact current A DC 0 2 s L R 10 ms Outputs 1 4 5 280 V 4 A 4 A 30 A Outputs 5 10 5 280 V 1 A 1 A 1 5 A Electronic alarm relay 5 280 V 1 A 1 A 1 2 A 24 V 4 A 1 2 A 48 V 1 5 A 0 5 A 60 V 1 A 0 4 A 110 V 0 6 A 0 22 A 220 V 0 4 A 0 1 A Electromechanical alarm relay 280 V 0 3 A 0 06 A 4 A Failure relays electromechanical switch ERR2 Optionally on off switch electronic switch ERR1 Optionally...

Page 20: ...starts automatic transmission test of commands 1 10 Reset button Pres and release to reset PBS M interface connector management channel for control equipment RB ant M interconnection LM Local Management channel interface Interface K1 of submodule PWA option Interface K2 of submodule PWA option Display optional Power Channel Modules E 19 446S037 914 14N00 ...

Page 21: ...ntenance Manual E 1 8 2 Channel module variant PBS Reset button Pres and release to reset PBS Display optional Test button Long pushing the button starts automatic transmission test of commands 1 10 Power Channel Modules E 20 446S037 914 14N00 ...

Page 22: ...es in operational state Yellow High BER slip at line interface 1 2 Yellow flashing Loop at line interface 1 2 Laser permanently ON Red Loss of signal IN Orange Input command active Orange and test Command being tested Orange flashing and TEST Test error at this command OUT Orange Output command active Orange and test Command being tested Orange flashing and TEST Test error at this command E2 other...

Page 23: ...eing tested Orange flashing and TEST Test error at this command E2 other alarms Red Single bit error light prolonged to 100 ms 48 V DC for relays and bias source below threshold Opposite PBS error simplex mode Yellow flashing Service alarm Data signal loop detected Green Not specified IN Orange Input command active Orange and test Command being tested Orange flashing and TEST Test error at this co...

Page 24: ...voltage command jumper 24 V 48 V 110 V 220 V 1 XJ200 2 3 1 2 3 4 1 2 2 XJ220 2 3 1 2 3 4 1 2 3 XJ240 2 3 1 2 3 4 1 2 4 XJ260 2 3 1 2 3 4 1 2 5 XJ280 2 3 1 2 3 4 1 2 6 XJ300 2 3 1 2 3 4 1 2 7 XJ320 2 3 1 2 3 4 1 2 8 XJ340 2 3 1 2 3 4 1 2 9 XJ360 2 3 1 2 3 4 1 2 10 XJ380 2 3 1 2 3 4 1 2 Qvit XJ400 2 3 1 2 3 4 1 2 Gray marked fields indicates factory default settings E 1 10 4 Configuration switches S...

Page 25: ...SA3 1 2 3 4 4 OFF R116 R117 R118 R119 M management address in binary form Configuration lock protection against bad manipulation pin 3 PBS functions pin 4 PWA functions For future use Identification for group B Identification for group A Direction of view From connector XC201 to front panel Fig 3 Setting points of the PBS module Power Channel Modules E 24 446S037 914 14N00 ...

Page 26: ...ommand 7 input c6 IN8 c8 IN8 Command 8 input c10 IN9 c12 IN9 Command 9 input c14 IN10 c16 IN10 Command 10 input c18 OUT7 c20 OUT7 Command 7 output c22 OUT8 c24 OUT8 Command 8 output c26 OUT9 c28 OUT9 Command 9 output c30 OUT10 c32 OUT10 Command 10 output e2 OUT1 e4 OUT1 Command 1 output e6 OUT2 e8 OUT2 Command 2 output e10 OUT3 e12 OUT3 Command 3 output e14 OUT4 e16 OUT4 Command 4 output e18 OUT5 ...

Page 27: ...0 16 AWG Outer diameter of insulation 1 6 2 8 mm Insulation stripping length 3 5 to 4 mm 3 5 4 Removal tool TTC 1900274 Connector with grub screws contacts 32 screws e c a 32 2 Recommended wire diameter 1 wire or cable 0 22 2 5 mm 24 14 AWG Insulation stripping length 8 mm 0 5 mm 8 0 5 Recommended screwdriver 3 5 0 5 mm Recommended tightening torque 0 6 Nm Power Channel Modules E 26 446S037 914 14...

Page 28: ...t may be initiated from opposite unit TEST Orange flashing Test not successfully completed Press shortly TEST button to acknowledge test fail Search IN and OUT led s for flashing ones to see where test failed Check routing commands a membership in groups A B at this and opposite PBS s Off Operational state LM Green Active communication at LM interface Disconnect cable Active LM communication disab...

Page 29: ...synchronization single errors may be caused by slips 2 Internal battery voltage under tolerance below 40 V DC Green Non Urgent alarm E2 Yellow flashing Service alarm Data signal in loop detected 1 Check loop id It must be different at opposite PBS s 2 Check data path for loops CJAB flashes cooperating equipment 1 When changing PBS be sure that it has the same HW and FW configuration E 1 15 Toleran...

Page 30: ...ission ends Fault on the 1 st or 2nd channel is signalled on the side where the fault arose by turning on the respective fault red diode see above while on the opposite side the red ERR 1 or ERR 2 diodes turn on and if there is a fault or interruption of the transmission route the ERR TRANSFER red optidiode also turns on In addition each of the faults or both simultaneously is signalled at another...

Page 31: ...about 0 45 ms i e an about 8 difference in phase The output signal of the comparison circuit is time filtered through a circuit with a time constant of about 200 ms E 2 1 2 RO4 s receiving direction The input of the RO4 is the receiving bus BUS RECEIVING 2 Mbit s The circuit of the gate array PLD XILINX identifies and reads the content of the respective channel intervals along which the digitally ...

Page 32: ...Digital delay switch ms1 ms2 may not be used in a unit set for the Comparison Protection function because an actual time delay is involved which would then cause delayed response to overvoltage or short circuit on the protected power line analogue delay or phase lead is in fact phase shift through the analogue corrector of phase which does not cause any change to the actual time delay in the signa...

Page 33: ...osstalk ratio between adjacent subchannels 60 dB Signal to noise ratio to rated output level in idle channel 60 dB high 50 kΩ medium for DLN910 5 kΩ 10 Input impedance options for the 50Hz signal low for S103B S105 2 kΩ 10 Time of 50Hz signal transmission without additional setting of delay about 0 3 ms Delay setting in each channel s transmitting direction using dig delay switch at the unit s pan...

Page 34: ...the coil of the relay 2 XJ102 PLD XILINX Microcontroller 1 8 XJ1 HW mode configuration 10 bit Transmitting BUS M1 Receiving BUS M1 SKIM TAKT 2048 kHz SYNN 500 Hz Position in subrack Program memory WATCHDOG SW3 RESET on panel 5 V 2 nd channel RO4 Management IP XJ103 overvoltage protection OFF1 OFF1 OFF2 ERR1 ERR2 OFF2 48V RP101 GAIN 1 RP102 φ 1 RP100 XJ105 XJ300 Parallel operation with2 nd channel ...

Page 35: ...PCM30U PCM30U OCH User s Operating and Maintenance Manual E 2 4 Setting points of the RO4 unit Fig 5 Setting points of the RO4 unit Power Channel Modules E 34 446S037 914 14N00 ...

Page 36: ... checking Jumpers installed Jumpers installed Output disconnected from input check not used E 2 5 3 Input resistance RIN 50Hz 1st channel 2nd channel XJ101 XJ102 50 kΩ 5 kΩ 1 2 1 2 2 kΩ 2 3 2 3 E 2 5 4 Maximum input voltage Max input UIN 50Hz 1st channel 2nd channel Information for Doris XJ102 XJ202 XJ8 2 110 Vrms 1 2 1 2 not installed 70 Vrms 2 3 2 3 installed E 2 5 5 Maximum output voltage Max i...

Page 37: ...e lead 1st channel 2nd channel XJ105 XJ205 Small analogue phase lead ϕ about 50 500 µs 1 1 Great analogue phase lead ϕ about 0 4 5 ms 2 2 Fine tuning on the panel of the unit 0 to 0 5 ms The mark is affected by XJ104 XJ204 ϕ1 ϕ2 E 2 5 10 Error signalling 1st channel 2nd channel XJ106 XJ206 made 2 3 Fault contact ERR1 at a fault broken 1 2 made 2 3 Fault contact ERR2 at a fault broken 1 2 E 2 5 11 ...

Page 38: ...UT In addition it is also necessary on this unit to set the UOUT 50 Hz at max 100 Vrms and to set the UIN 50 Hz at max 110 Vrms Then it is necessary on this unit to set the output voltage of the 50Hz signal using the GAIN1 GAIN2 trimmers on the panel and compensate the construction phase lead of the RO4 unit s 50Hz signal about 0 7ms lowered by the delay given by the transmission of the 2 Mbit s s...

Page 39: ...nel a26 OFF2 Input for the blocking of the output of the 2nd channel a28 a30 GND a32 GND ground e2 e4 e6 OUT1a e8 OUT1b Output of channel 1 50Hz signal e10 ERR1 e12 ERR1 Fault in channel 1 the fault relay anchor dropped the status of the contacts can be selected using XJ206 jumper e14 e16 e18 e20 OUT2a e22 OUT2b Output of channel 2 50Hz signal e24 ERR2 e26 ERR2 Fault in channel 2 the fault relay a...

Page 40: ...Error ERR 50 Hz 1 Red Fault in phase or amplitude of the feedback check channel 1 Channel 1 overexcitation NO 50 Hz 1 Red Input voltage of 50Hz channel 1 is below the preset limit ERR 50 Hz 1 Red Urgent error in channel 1 Transmission error Distant alarm Other alarm on channel 1 PWR Green Power supply in tolerance Flashing Power supply voltage 48 V is smaller than 43 V Power Channel Modules E 39 4...

Page 41: ...and Maintenance Manual E 2 8 Front panel settins HW reset button Fine digital delay adjustment Fine trimming adjusting of output voltage Analogue delay or phase lead As selected by XJ104 XJ204 Power Channel Modules E 40 446S037 914 14N00 ...

Page 42: ...lectromechanical relays for channels 1 and 2 ERR1 ERR2 Error relay contacts closed relay without excitation make break contact closed Error relay contacts opened relay without excitation make break contact open 1st channel XJ106 connected 2 3 2nd channel XJ206 connected 2 3 1st channel XJ106 connected 1 2 2nd channel XJ206 connected 1 2 Contact status when the relay coil is not excited Error Fig 7...

Page 43: ...tive protection of DZL ROR 1 INP1a Channel 1 input 2 INP1b Channel 1 input 3 OUT1a Output contact 1 4 OUT1b Output contact 1 5 BLOCK1a Error contact 1 6 BLOCK1b Error contact 1 7 GND Electrical grounding 8 INP2a Channel 2 output 9 INP2b Channel 2 output 10 OUT2a Output contact 2 11 OUT2b Output contact 2 12 BLOCK2a Error contact 2 13 BLOCK2b Error contact 2 14 GND Electrical grounding 15 RBLOCK Qu...

Page 44: ...PCM30U PCM30U OCH User s Operating and Maintenance Manual Power Channel Modules E 43 446S037 914 14N00 E 4 Notes ...

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