Electrical network protection
Technical data sheet
2008
1
Standard
IEC 61850
Base unit, with various types of User Machine Interfaces (UMI): b basic UMI b advanced UMI with graphical LCD screen.
2
Remote advanced UMI.
3
10 logic inputs and 8 output relays, 4 outputs on the base unit + 1 optional module providing 10 inputs and 4 outputs.
4
Sepam series 40 is a family of current and voltage digital protection relays, for medium voltage public and industrial distribution networks. PE50546
Sepam series 40 and its optional modules
Sepam series 40
1 communication port: b connection to 1 or 2 S-LAN and/or E-LAN networks b Modbus, Modbus TCP/IP, IEC60870-5-103, DNP3 and IEC 61850 communication protocols b RS 485 ( 2or 4 wire) or fiber optic network.
5
Temperature data from 16 sensors, Pt100, Ni100, or Ni120.
6
1 analog output, 0-10mA, 4-20mA or 0-20mA.
7
Software tools: b Sepam parameter and protection setting and control function customization b recovery and display of disturbance recording data b local or remote operation via an E-LAN.
4
3 1
6
5 7 2
Characteristics Conformity to standards IEC 60255 - Protection relays IEC 60529 - Degree of protection
IP52 on front panel
IEC 60068 - Operating temperature
-25°C to +70°C (-13°F to +158°F)
Certifications CE, UL508, CSA C22.2
Auxiliary power supply 24-250 V DC and 110-240 V AC
Overall size of base units (H x W x D) 222 X 176 X 130 mm
Protections
ANSI code
S40
S41
S42
S43
T40
T42
M41 G40
Phase overcurrent
50/51
4
4
4
4
4
4
4
4
b S40, S41, S42, S43: substation incomers and feeders protection b T40, T42: transformer protection b M41: motor protection b G40: generator protection
Voltage restrained overcurrent
50V/51V
Earth fault, sensitive earth fault
50N/51N 50G/51G
4
4
4
4
4
4
4
4 1
DE40548
8 types of Sepam series 40
1
Breaker failure
50BF
1
1
1
1
1
1
1
Unbalance/negative sequence
46
2
2
2
2
2
2
2
Directional phase overcurrent
67
Directional earth fault
67N/67NC
2
2
2
Directional real overpower
32P
1
1
1
Directional reactive overpower
32Q/40
Thermal overload
49 RMS
Phase undercurrent
37
2
2 2
2
2
2 1
1
1
1
2
2
1
Locked rotor, excessive starting time 48/51LR/14
1
Starts per hour
66
1
Positive sequence undervoltage
27D
2
Remanent undervoltage
27R
Undervoltage
27/27S
2
2
2
2
2
2
2
Overvoltage
59
2
2
2
2
2
2
2
Neutral voltage displacement
59N
2
2
2
2
2
2
2
Negative sequence overvoltage
47
1
1
1
1
1
1
1
Overfrequency
81H
2
2
2
2
2
2
2
Underfrequency
81L
4
4
4
4
4
4
4
Recloser (4 cycles)
79
v
v
v
Temperature monitoring) (8 or 16 RTDs, 2 set points per RTD
38/49T
v
v
v
v
Thermostat / Buchholz
26/63
v
v
1
v
Metering RMS phase current I1,I2,I3, residual current I0
b
b
b
b
b
b
b
b
Average current I1, I2, I3 Peak demand current IM1, IM2, IM3
b
b
b
b
b
b
b
b
Voltage U21, U32, U13, V1, V2, V3 Residual voltage V0
b
b
b
b
b
b
b
b
Positive sequence voltage Vd/rotation direction, Negative sequence voltage Vi
b
b
b
b
b
b
b
b
Frequency
b
b
b
b
b
b
b
b
Real / reactive / apparent power P, Q, S Peak demand real/reactive power PM, QM Power factor
b
b
b
b
b
b
b
b
Calculated real / reactive energy (±W.h, ±var.h)
b
b
b
b
b
b
b
b
Real/reactive energy impulse counter (±W.h, ±var.h) v
v
v
v
v
v
v
v
v
v
v
v
Temperature Tripping current TripI1, TripI2, TripI3, TripI0
b
b
b
b
b
b
b
b
Tripping context
b
b
b
b
b
b
b
b
Unbalance ratio/negative sequence current
b
b
b
b
b
b
b
b
Phase shift φ0, φ1, φ2, φ3
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
Thermal capacity used
b
b
b
b
Remaining operating time before overload tripping
b
b
b
b
Waiting time after overload tripping
b
b
b
b
Running hours counter / operating time
b
b
b
b
Disturbance recording
Starting current and time
b
Start inhibit time delay, number of starts before inhibition
b
Switchgear diagnosis Cumulative breaking current
b
b
b
b
b
b
b
b
Trip circuit supervision
v
v
v
v
v
v
v
v
Number of operations, operating time, charging time v
v
v
v
v
v
v
v
b
b
b
b
b
b
b
b b
CT/VT supervision
Control and monitoring
ANSI code
Circuit breaker / contactor control
94/69
b
b
b
b
b
b
b
Latching / acknowledgment
86
b
b
b
b
b
b
b
b
Logic discrimination
68
v
v
v
v
v
v
v
v
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
Measurement readout
v
v
v
v
v
v
v
v
Remote indication and time tagging of event
v
v
v
v
v
v
v
v
Remote control orders
v
v
v
v
v
v
v
v
Remote setting of protections
v
v
v
v
v
v
v
v
Transfer of disturbance recording data
v
v
v
v
v
v
v
v
Switching of group of settings Annunciation
30
Logical equation editor
Communication port
b standard, v according to parameter settings and optional modules. Note: the figures (in the table) give the number of independant protection sets for each protection function.
Schneider Electric Industries SAS 89, boulevard Franklin Roosevelt F-92505 Rueil-Malmaison Cedex Tél. : +33 (0)1 41 29 85 00 www.schneider-electric.com
As standards, specifications and designs change from time to time, please ask for confirmation of the information given in this publication. Printed on recycled paper. Publication: Schneider Electric Industries SAS Design: Schneider Electric Industries SAS Print :
ART.07900
12/2008
PCRED301002EN/7 © 2008 Schneider Electric Industries - All rights reserved
Network and machine diagnosis