GE Multilin 850 Instruction Manual page 19
Feeder protection system
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Also See for Multilin 850:
- Instruction manual (562 pages) ,
- Instruction manual (664 pages)
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CHAPTER 1: INTRODUCTION
850 – *
* NN *
Interface
850
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Model
E
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D
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Phase Currents - Slot J
P1
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P5
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Phase Currents - Slot K
NN
Ground Currents
Power Supply
Slot B (LV I/O)
Slot C (LV I/O)
Slot F (HV I/O)
Slot G (HV I/O)
Slot H (HV I/O)
Faceplate
Current Protection
Voltage Monitoring and Protection
Control
Monitoring
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 1-3: 850 Order Codes
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G1 |
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G5 |
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S1 |
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S5 |
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D1 |
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D5 |
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L
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H
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N
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R
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S
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N
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R
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S
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A
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N
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A
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L
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N
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A
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F
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M
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G
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S
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M
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D
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A
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P
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* N *
850 Feeder Protection System (Standard: English Language,
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High Voltage Power Supply, Graphical Control Panel)
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Industrial
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Distribution Feeder
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1A three-phase current inputs (Slot J) + 4 voltage inputs (J2)
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5A three-phase current inputs (Slot J) + 4 voltage inputs (J2)
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No phase current inputs (Slot K)
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1A ground input
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5A ground input
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1A ground + 1A sensitive ground input
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5A ground + 5A sensitive ground input
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1A ground + 1A polarizing current input
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5A ground + 5A polarizing current input
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24 to 48 V DC
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110 to 250 V DC/110 to 230 V AC
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None
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6 x RTDs (Pt100, Ni100, Ni120)
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6 x RTDs (Pt100, Ni100, Ni120, Cu10)
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None
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6 x RTDs (Pt100, Ni100, Ni120)
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6 x RTDs (Pt100, Ni100, Ni120, Cu10)
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2 Form A (Vmon), 3 Form C, 7 Digital Inputs (Low/High
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Voltage, Int/Ext Supply)
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None
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2 Form A (Vmon), 3 Form C, 7 Digital Inputs (Low/High
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Voltage, Int/Ext Supply)
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7 DcmA O/P + 4 DcmA I/P + 1 RTD
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None
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2 Form A (Vmon), 3 Form C, 7 Digital Inputs (Low/High
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Voltage, Int/Ext supply)
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10 Digital Inputs + 4 Arc Flash Inputs
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Basic = Membrane Keypad
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Standard = Rugged Keypad
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Basic (850-E): 50P(2), 50N(2), 50G(1), 51P(2), 51N(2), 51G(1)
Standard (850-E): Basic + 50SG(1), 50_2(1), 51SG(1), 51_2(1),
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RGF(1)
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Standard (850-D) = 37(3), 50P (4/CT bank), 50N (4/CT bank),
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50G (4/CT bank), 51P(4), 51N(4), 51G(2/CT bank), 50SG(4/CT
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bank), 50_2(4/CT bank), 51SG(2/CT bank), 51_2 (2/CT bank),
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RGF(3), SOTF (3/Bkr), 67P(4), 67N(4), 67G (1/CT bank), 67SG (1/
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CT bank), 67_2 (1/CT bank), 49(2), Load Encroachment (1/CT
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bank), Broken Conductor (3)
Advanced (850-E): Standard (850-E) + 67P(1), 67N(1), 67G(1),
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67SG(1), 67_2(1), 49(2), Load Encroachment 1), Broken
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Conductor(1)
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Standard Voltage Metering & Protection: 27P (4/VT bank),
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27X (2/VT bank), 59P(4), 59N(4), 59X (2/VT bank, 81O (6/VT
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bank), 81U (6/VT bank)
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Advanced Voltage Metering & Protection: Standard + 25 (1/
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CT bank), 27T(4), 27Q(3/Bkr), 32(4), 32N(4), 55(4), 59_2 (2/VT
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banks), 81R (6/VT bank), Fast U/F (8), Neutral Admittance (3)
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Basic (850-E): Setpoint Group Control, Virtual Inputs, Trip
B
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Bus, Breaker Control, VTFF
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Standard (850-E): Basic + FlexLogic, CLP, 50BF (2/CT bank),
F
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CT Supervision(3)
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Standard (850-D): Setpoint Group Control, Virtual Inputs,
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Trip Bus(6), Breaker Control (1/Bkr), VTFF (1/VT bank),
D
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FlexLogic, CLP (1/Bkr), 50BF (2/CT bank), Pole
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Discordance(3), Autoreclose (1/Bkr), CT Supervision(3)
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Advanced (850-E): Standard + Autoreclose, Bus Transfer
C
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(requires voltage option P)
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Advanced HMI (850-E): Advanced + Tab PBs, Annunciator
H
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Panel, Configurable SLDs with Bay Control
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Advanced (850-D): Standard + Tab PBs, Annunciator Panel,
T
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Configurable SLDs with Bay Control
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Basic: Breakers Coil Monitoring (1/Bkr), Breaker Arcing (1/
B
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Bkr), THD, Current Demand (1/CT bank), Digital Counters
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(16), Data Logger
C
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Standard: Basic + Advanced Breaker Health (1/Bkr)
A
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Advanced: Standard + Harmonic Detection(6)
850 ORDER CODES
1–9
- Quick Links:
- Typical Wiring Diagram
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Table of Contents
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