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Page 11

SE-330AU Neutral-Earthing-Resistor Monitor

Rev. 4-I-101817

FIGURE 7.

SE-IP65CVR-G Weatherproof Cover Installation

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Содержание SE-330AU

Страница 1: ...il techline littelfuse com www littelfuse com SE 330AU SE 330AU MANUAL NEUTRAL EARTHING RESISTOR MONITOR Revision 4 I 101817 Copyright 2017 Littelfuse Startco All rights reserved Document Number PM 12...

Страница 2: ...Page i SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 This page intentionally left blank...

Страница 3: ...Calibration and Open Test 33 9 1 2 Voltage Test 33 9 2 Sensing Resistor Test 33 9 3 Analog Output Test 33 9 4 Earth Fault Performance Test 34 Appendix A SE 330AU Revision History 35 LIST OF FIGURES F...

Страница 4: ...Page iii SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 This page intentionally left blank...

Страница 5: ...resistor monitor that detects NER failures and earth faults in resistance earthed systems The SE 330AU measures NER resistance NER current and transformer or generator neutral to earth voltage The co...

Страница 6: ...This parameter must be set using a PC running the SE MON330 software connected to the USB interface The setting range is 2 to 100 of CT primary rating in 1 increments For example if the MEM parameter...

Страница 7: ...ge is greater than a threshold amount 500 for 20 k systems 2 500 for 100 k systems a resistor fault trip occurs Calibrate the SE 330AU on new installations if the NER is changed or if the sensing resi...

Страница 8: ...afe operation using the SE MON330 software or network communications The default mode is non fail safe In non fail safe mode relays energize on fault Network enabled SE 330AU s can be remotely tripped...

Страница 9: ...0 5 1 60 ER 5KV 20 kW 1 050 605 5 121 0 5 1 100 ER 5KV 20 kW 1 100 635 5 127 0 5 1 100 ER 5KV 20 kW 1 140 658 5 132 0 5 1 100 ER 5KV 20 kW 3 300 1 905 5 381 0 5 1 200 ER 5KV 20 kW 6 600 3 810 5 762 0...

Страница 10: ...n ER 5WP in applications in which it might be exposed to moisture The ER 15KV ER 25KV and ER 35KV include moisture resistant terminal covers Use suitable water tight fittings Connect terminal G to ear...

Страница 11: ...Page 7 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 3 SE 330AU Connection Diagram...

Страница 12: ...Page 8 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 4 SE 330AU Outline and Panel Mounting Details...

Страница 13: ...Page 9 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 5 SE 330AU Outline and Surface Mounting Details...

Страница 14: ...Page 10 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 6 SE IP65CVR G Weatherproof Cover Outline...

Страница 15: ...Page 11 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 7 SE IP65CVR G Weatherproof Cover Installation...

Страница 16: ...Page 12 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 8 ER 600VC Sensing Resistor...

Страница 17: ...Page 13 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 9 SE MRE 600 Moisture Resistant Enclosure...

Страница 18: ...Page 14 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 10 ER 600VC Installed in SE MRE 600...

Страница 19: ...Page 15 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 11 ER 5KV Sensing Resistor...

Страница 20: ...Page 16 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 12 ER 5WP Sensing Resistor...

Страница 21: ...Page 17 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 13 ER 15KV Sensing Resistor...

Страница 22: ...Page 18 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 14 ER 25KV Sensing Resistor...

Страница 23: ...Page 19 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 15 ER 35KV Sensing Resistor...

Страница 24: ...Page 20 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 16 EFCT 1 Earth Fault Current Sensor...

Страница 25: ...Page 21 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 17 SE CS30 70 Earth Fault Current Sensor...

Страница 26: ...Page 22 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 18 EFCT 26 and SE CS30 26 Earth Fault Current Sensors...

Страница 27: ...Page 23 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 FIGURE 19 RK 332 Remote Indication and Reset FIGURE 20 PGA 0520 Analog Percent Current Meter...

Страница 28: ...rom station earth and precautions must be taken with the power supply and the trip contacts See Technical Note RG 1 NGR Monitoring with Isolated Ground Beds at www littelfuse com relayscontrols A conf...

Страница 29: ...the firmware upgrade process The red DIAGNOSTIC LED blinks rapidly while the firmware upgrade is running and the SE 330AU may reset multiple times during the upgrade process Do not remove the SD card...

Страница 30: ...Littelfuse Startco Critical diagnostic code EF LED 2 No Change RF LED 2 ON K1 Trip SD Card DIAGNOSTIC LED flash code 1 L 5 S 1 L SD Card is full or a write error occurred Delete files or use a differ...

Страница 31: ...stic code EF LED 2 No Change RF LED 2 No Change K1 No Change DIAGNOSTIC LED Solid Red SE 330AU processor failed to start Cycle supply If problem persists consult Littelfuse Startco K1 De energized Pre...

Страница 32: ...1 2 3 4 5 A SE CS30 x 0 75 1 5 1 8 2 4 3 0 6 0 12 0 18 0 24 0 30 0 A Trip Time 0 10 0 12 0 14 0 16 0 18 0 20 0 25 0 30 0 35 0 40 0 50 s Trip Level Accuracy 0 20 of setting Trip Time Accuracy 0 20 of s...

Страница 33: ...ognized Mounting Configurations Panel Mount and Optional Surface Mount Dimensions Height 213 mm 8 4 Width 99 mm 3 9 Depth 132 mm 5 2 Shipping Weight 2 0 kg 4 4 lb Environment Operating Temperature 40...

Страница 34: ...600VC Maximum Voltage 600 Vac Maximum Current 30 mA Resistance 20 kW Thermal 420 Vac Continuous 600 Vac 6 minutes on 60 minutes off Shipping Weight 300 g 0 7 lb ER 5KV Maximum Voltage 2 500 Vac Maxim...

Страница 35: ...ow Diameter 70 mm 2 7 Shipping Weight 1 2 kg 2 5 lb Certifications CSA UL CE Compliance RoHS IEC 60044 1 7 ORDERING INFORMATION NOTE Please refer to the SE 330 Product Change Notice PCN document for u...

Страница 36: ...nd Ethernet IP protocols 3 Includes IEC 61850 and Modbus TCP protocols 4 Available at www littelfuse com relayscontrols 8 WARRANTY The SE 330AU Neutral Earthing Resistor Monitor is warranted to be fre...

Страница 37: ...will damage the SE 330AU and the ER sensing resistor The VN TRIP LEVEL is the trip voltage at terminal N not terminal R Procedure Connect the ER sensing resistor connection to the SE 330AU and calibr...

Страница 38: ...fy proper reaction of the circuit interrupting device in response to a simulated or controlled earth fault current To simulate earth fault current use CT primary current injection does not apply for b...

Страница 39: ...ed in Section 2 8 SECTION 3 Updated installation instructions SECTION 4 SD Card note added SECTION 5 Troubleshooting information added SECTION 7 Ordering information updated REVISION 4 H 120716 APPEND...

Страница 40: ...agnostic LED error removed SECTION 6 Earth Fault Circuit Trip Level updated USB Communications specifications added SECTION 7 Ordering information updated HARDWARE REVISION HISTORY HARDWARE REVISION 1...

Страница 41: ...filter Added support for 12 to 60 s resistor fault trip time Improved log file descriptions IEC 61850 GOOSE network input support now always enabled Improved compatibility for Modbus TCP Web page disa...

Страница 42: ...Page 38 SE 330AU Neutral Earthing Resistor Monitor Rev 4 I 101817 This page intentionally left blank...

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