sepam 20 user manual - Schneider Electric

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7 MT10588 MT10589 Commissioning Checking logic input and output connections SFT2841 "Input, output, indicator status" screen. SFT2841 "Sepam Diagnosis - output relay test" screen. 7/30 Checking logic input connections Procedure Proceed as follows for each input: 1. If the input supply voltage is present, use an electric cord to short-circuit the contact that delivers logic data to the input. 2. If the input supply voltage is not present, apply a voltage supplied by the DC voltage generator to the terminal of the contact linked to the chosen input, being sure to comply with the suitable polarity and level. 3. Observe the change of status of the input using the SFT2841 software, in the "Input, output, indicator status" screen. 4. At the end of the test, if necessary, press the SFT2841 Reset key to clear all messages and deactivate all outputs. Checking logic output connections Procedure Check carried out using the "Output relay test" function, activated via the SFT2841 software, in the "Sepam Diagnosis" screen. Only output O4, when used for the watchdog, can be tested. This function requires prior entry of the "Parameter setting" password. 1. Activate each output relay using the buttons in the SFT2841 software. 2. The activated output relay changes status over a period of 5 seconds. 3. Observe the change of status of the output relay through the operation of the related switchgear (if it is ready to operate and is powered), or connect a voltmeter to the terminals of the output contact (the voltage cancels itself out when the contact closes). 4. At the end of the test, if necessary, press the SFT2841 Reset key to clear all messages and deactivate all outputs. PCRED301005EN - 06/<strong>20</strong>08
Commissioning Validation of the complete protection chain PCRED301005EN - 06/<strong>20</strong>08 Principle The complete protection chain is validated during the simulation of a fault that causes tripping of the breaking device by Sepam. Procedure 1. Select one of the protection functions that trips the breaking device. 2. According to the type of Sepam, inject a fault current or voltage. 3. Observe the tripping of the breaking device. 7/31 7
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Electrical network protection Sepam
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PCRED301005EN - 06/2008 Contents In
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Sepam series 20 Contents PCRED30100
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Sepam range Panorama of Sepam appli
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Sepam series 20 Selection table Sub
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Sepam series 20 Environmental chara
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Metering functions Contents PCRED30
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Metering functions Characteristics
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Metering functions Average current
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Metering functions Residual voltage
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MT10252 Network diagnosis functions
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Machine operation assistance functi
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DE80237 Machine operation assistanc
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Switchgear diagnosis functions PCRE
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Protection functions Contents PCRED
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Protection functions Setting ranges
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Protection functions Positive seque
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Protection functions Phase-to-neutr
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Protection functions Temperature mo
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Protection functions Negative seque
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Protection functions Thermal overlo
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Protection functions Phase overcurr
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Protection functions Breaker failur
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DE50247 DE50248 Protection function
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Protection functions Neutral voltag
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Protection functions Recloser ANSI
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Protection functions Overfrequency
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Protection functions Rate of change
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Protection functions General Trippi
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Protection functions General Trippi
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MT10539 MT10528 Protection function
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Control and monitoring functions PC
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DE50675 DE50676 DE50677 DE50678 DE5
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MT10188 MT10189 Control and monitor
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Control and monitoring functions De
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Control and monitoring functions Ev
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PE50610 Control and monitoring func
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Modbus communication Presentation P
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Modbus communication Modbus protoco
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PE50585 PE50586 Modbus communicatio
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Modbus communication Commissioning
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Modbus communication Data addresses
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Modbus communication Time-tagging o
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Modbus communication Time-tagging o
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DE80321 Modbus communication Time-t
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Modbus communication Access to remo
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Modbus communication Disturbance re
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Modbus communication Reading Sepam
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Installation Contents PCRED301005EN
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Installation Precautions We recomme
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Installation Equipment identificati
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Installation Base unit Assembly PCR
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DE51131 Installation Base unit Conn
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DE80144 DE80145 DE51826 Installatio
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DE80115 DE80116 DE51830 Installatio
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DE51831 DE51832 DE51833 DE51834 DE5
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DE80051 DE80059 Installation 1 A/5
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PE50031 DE51674 Installation LPCT t
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DE80292 DE50564 Installation LPCT t
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DE80231 DE80231 Installation CSH120
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DE80118 DE80119 Installation CSH30
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DE51682 Installation ACE990 Core ba
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PE50476 Installation MES114 modules
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DE51685 Installation MES114 modules
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PE50021 DE80121 Installation MET148
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Page 181 and 182: Installation ECI850 IEC 61850 Sepam
Page 183 and 184: Use Contents PCRED301005EN - 06/200
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Page 187 and 188: Use SFT2841 setting and operating s
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Page 203 and 204: Commissioning Commissioning: princi
Page 205 and 206: Commissioning General examination a
Page 207 and 208: Commissioning Checking phase curren
Page 209 and 210: Commissioning Checking the residual
Page 211: Commissioning Checking the residual
Page 215 and 216: Commissioning Test sheet Sepam seri
Page 217 and 218: DE80236 Commissioning Maintenance A
Page 220: Schneider Electric Industries SAS 8
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sepam 20 user manual - Schneider Electric

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