PCRED398023EN1.pdf

(390 KB) Pobierz

Protection

and control

<< Back

Sepam range

Sepam 2000

Generator

767112574.093.png

767112574.104.png

767112574.115.png

767112574.126.png

767112574.001.png

767112574.012.png

767112574.022.png

767112574.032.png

767112574.043.png

767112574.051.png

767112574.052.png

767112574.053.png

767112574.054.png

767112574.055.png

767112574.056.png

767112574.057.png

767112574.058.png

767112574.059.png

767112574.060.png

767112574.061.png

767112574.062.png

767112574.063.png

767112574.064.png

767112574.065.png

767112574.066.png

767112574.067.png

767112574.068.png

Presentation

Contents

page

presentation

2

selection table

3

metering

4

protection

6

control and monitoring

9

functional and connection schemes

14

other connection schemes

21

examples of connections

23

communication

27

characteristics

32

installation

33

ordering information

36

Advantages

c Indication of phase and earth fault current values at the time of breaking

provides the operator with useful assistance in determining the causes and

seriousness of the fault,

c The high level of electromagnetic compatibility (EMC) makes it possible to use

advanced digital technology functions in electrical substations, without the need

for any particular precautions,

c Sepam 2000's continuous self-testing sets the device in a predetermined

fail-safe position whenever a failure occurs, thereby preventing random operation,

c Terminals that are individually disconnectable while energized allow easy

maintenance,

c The optional communication functions can be used for remote setting,

remote metering, remote annunciation and remote control via a two-wire link with

a supervisor for centralized management.

c Setting and testing are extremely simple:

v the settings may be made on the front panel (serial link):

- one by one, using the TSM2001 pocket terminal, or the SFT2801 PC software

program,

- all at once using the SFT2821 PC software program (downloading),

v a direct readout is given for primary current and voltage and for the metering

function, simple testing by injection guarantees the coherency of all settings.

c Each Sepam 2000 is design to meet all the application needs and includes all

the necessary functions ready for use (protection functions, metering, control logic

and communication).

This control logic may be adapted to most usuals schemes by a simple

parametring. This allows a better safety and optimization of wiring.

Installation in the switchboard is simplified:

c just one device to install, the Sepam 2000 .

It comes in two models with different widths:

v S36 (standard),

v S26 (compact for certain types),

c cabling is limited to:

v standard 1A or 5A current transformers,

v voltage transformers,

v temperature sensors

v control and annunciation units (start/stop pushbutton, device position, etc),

v actuators (trip and closing coils).

Generator protection and control consists

of performing the metering, protection, control

and monitoring functions required for operation.

Sepam 2000 provides all these functions globally.

All the equipment and mechanisms that are generally

found in a MV cubicle control cabinet are replaced

by a single device which performs:

c protection,

c metering,

c control and monitoring using protection functions

and logic inputs to activate the trip outputs, closing

outputs, etc. and annunciation.

Sepam 2000

compact S26.

Sepam 2000

standard S36.

Customization (1)

Standard control and monitoring carried out in Sepam 2000's internal PLC can be

customized. The number of inputs and outputs can be increased by adding

extension boards (please contact us for further information).

(1) Please refer to document

Sepam 2000 customized application.

2

Generator

767112574.069.png

767112574.070.png

767112574.071.png

767112574.072.png

767112574.073.png

767112574.074.png

767112574.075.png

767112574.076.png

767112574.077.png

767112574.078.png

767112574.079.png

767112574.080.png

767112574.081.png

767112574.082.png

767112574.083.png

767112574.084.png

767112574.085.png

Selection table

Sepam 2000 generators

functions

ANSI

Sepam types (2) (3)

generator-

code

transfomer unit

G01

G02

G03

G04

G05

G06

G07

G08

G17

G18

G00

G15

G16

G12

G13

protections

phase overcurrent

50/51

4

4

4

4

4

4

4

4

4

4

4

4/2*

4/2*

thermal overload

49

1

1

1

1

1

1

1

1

1

1

1

1

voltage restrained overcurrent

50V/51V

1

1

1

1

1

1

1

1

1

1

1

1

negative sequence/ unbalance

46

1

1

1

1

1

1

1

1

1

1

1

1

earth fault

50N/51N (G)

2

2

neutral

50G/51G

4

4

4

4

4

4

4

4

2

2

4

4

4

undervoltage (1)

27

2

2

2

2

2

2

2***

2***

2

2***

2***

overvoltage (1)

59

2

2

2

2

2

2

2

2

2

2

2

neutral voltage displacement (1)

59N/64

1

1

1

1

1

1

1

1

1

1

1

1

1

directional overcurrent

67

1

1

1

directional earth fault

67N

1

1

1

reverse real power

32P

1

1

1

1

1

1

1

1

1

1

1

1

1

field loss (reverse reactive power)

32Q/40

1

1

1

1

1

1

1

1

1

1

1

1

1

underfrequency (1)

81L

1

1

1

1

1

1

1

1

1

1

1

overfrequency (1)

81H

1

1

1

1

1

1

1

1

1

1

1

temperature set points (RTDs 1/12)

38/49T

6/12

6

6/12

6

6

6

restricted earth fault

64REF

1

1

1

1

1

biased differential

87G

1

1

synchronism check

25

1

1

metering

phase currents (I1, I2, I3)

c

c

c

c

c

c

c

c

c / c *

c / c *

c / c *

c / c *

peak demands phase currents (I1, I2, I3)

c

c

c

c

c

c

c

c

c

c

c

c

c

voltages (U21, U32, U13, V1, V2, V3)

c

c

c / c ** c / c ** c

c

c

c

c

c

c

c

c

real / reactive power (P,Q)

c

c

c

c

c

c

c

c

c

c

c

c

c

peak demand real/ reactive power

c

c

c

c

c

c

c

c

c

c

c

c

c

power factor

c

c

c

c

c

c

c

c

c

c

c

c

c

frequency

c

c

c

c

c

c

c

c

c

c

c

c

c

thermal capacity used

c

c

c

c

c

c

c

c

c

c

c

c

accumulated real/ reactive energy ( ±

Wh, ±

VArh)

c

c

c

c

c

c

c

c

c

c

c

c

c

tripping currents (I1, I2, I3, Io)

c

c

c

c

c

c

c

c

c

c

c

c

c

true rms current

c

c

c

c

c

c

c

c

c

c

c

c

c

temperature

c

c

c

c

c

c

disturbance recording

c

c

c

c

c

c

c

c

c

c

c

c

c

residual current

c

c

c

c

c

c

c

c

c

c

c

c / c *

c / c *

residual voltage

c

c

c

c

c

c

c

c

c

c

c

c

c

cumulative breaking current and number of breaks

c

c

c

c

c

c

c

c

c

c

c

c

differential and through currents

c

c

control and monitoring

open/ close

c

c

c

c

c

c

c

c

c

c

c

c

lockout relay

86

c

c

c

c

c

c

c

c

c

c

c

c

c

inhibit closing

69

c

c

c

c

c

c

c

c

c

c

c

c

annunciation

30

c

c

c

c

c

c

c

c

c

c

c

c

c

logic discrimination

68

c

c

c

c

c

c

c

c

c

c

c

c

c

trip circuit supervision

74

c

c

c

c

c

c

c

c

c

c

c

c

Buchholz, thermal, DGPT, PTC

cc c

generator shutdown logic

c

c

c

c

c

c

c

c

c

c

c

c

de-energizing logic

c

c

c

c

c

c

c

c

c

c

c

c

detection of plugged connectors (DPC)

c

c

c

c

c

c

c

c

c

c

c

c

c

operation counter

c

c

c

c

c

c

c

c

c

c

c

c

running hours counter

c

c

c

c

c

c

c

c

c

c

c

c

phase fault trip counter

c

c

c

c

c

c

c

c

c

c

c

c

disturbance recording triggering

c

c

c

c

c

c

c

c

c

c

c

c

c

VT monitoring

c

c

Sepam models

standard S36

XR

SR/

TR

TS

XR

SR/

XR

SR

LR

LS

LR

LS

SS

SS

compact S26

LT

LT

number of standard ESTOR boards

2

2

2

2

2

2

2

2

2

2

2

2

2

The figures in the columns represent the number of similar protection devices.

For example, for phase overcurrent protection, "4" means 4 separate overcurrent protection devices.

(1) these functions can be performed by Sepam 1000 + B20 type.

(2) for differential protection use Sepam 100 LD.

(3) the generator protection can’t be connected to CSP sensors.

(*) function available with 2 sets of sensors.

(**) phase-to-neutral voltage measurement available with second set of sensors only with a single T.

(***) U21 and U32 only.

3

Generator

767112574.086.png

767112574.087.png

767112574.088.png

767112574.089.png

767112574.090.png

767112574.091.png

767112574.092.png

767112574.094.png

767112574.095.png

767112574.096.png

767112574.097.png

767112574.098.png

767112574.099.png

767112574.100.png

767112574.101.png

767112574.102.png

767112574.103.png

767112574.105.png

767112574.106.png

767112574.107.png

767112574.108.png

767112574.109.png

767112574.110.png

767112574.111.png

767112574.112.png

767112574.113.png

767112574.114.png

767112574.116.png

767112574.117.png

767112574.118.png

767112574.119.png

767112574.120.png

767112574.121.png

767112574.122.png

767112574.123.png

767112574.124.png

767112574.125.png

767112574.127.png

767112574.128.png

767112574.129.png

767112574.130.png

767112574.131.png

767112574.132.png

767112574.133.png

767112574.134.png

767112574.135.png

767112574.136.png

767112574.002.png

767112574.003.png

767112574.004.png

767112574.005.png

767112574.006.png

767112574.007.png

767112574.008.png

767112574.009.png

767112574.010.png

767112574.011.png

767112574.013.png

767112574.014.png

767112574.015.png

767112574.016.png

767112574.017.png

767112574.018.png

767112574.019.png

767112574.020.png

Metering

Sepam 2000 is an accurate metering device.

It gives a direct readout of values, together

with the related units, A, V, W...

All the values needed for operation and used

for commissioning are available locally and in

the control room.

Measurements needed for operation

Currents

Measurement of the current for each of the 3 phases of the circuit.

Peak demand currents

Measurement of the greatest average current value on the 3 phases.

The average current measurement is computed periodically

(adjustable period: 5, 10, 15, 30 or 60 minutes). The “clear” button is pressed

for zero reset.

Voltages

Measurement of the circuit phase-to-phase and phase-to-neutral voltages.

Real / reactive power

Measurement of the real and reactive power, with the sign, in balanced

and unbalanced 3-phase networks.

Peak demand real / reactive power

Measurement of the greatest average real power (and reactive power) value,

used to find the power absorbed during peak load periods. The average value

is computed periodically (adjustable period: 5, 10, 15, 30 or 60 minutes).

The “clear” button is pressed for zero reset.

Power factor (p.f.)

Measurement of the power factor, with the sign and type (capacitive or inductive),

of the power absorbed.

Measurements accessed on the front panel of Sepam 2000

(serial link and/or display) and via the communication

system.

Frequency

Measurement of frequency (based on positive sequence voltage or the U21

voltage input).

Thermal capacity used

Measurement of the relative thermal capacity used (with respect to the nominal

thermal capacity) on account of the load.

Accumulated real / reactive energy

The alphanumerical display unit shows the 4 accumulated real / reactive energy

values:

c real energy consumed,

c reverse real energy,

c reactive energy consumed,

c reverse reactive energy.

These values are saved in the event of a power failure.

Tripping currents

Measurements of the 3 phase currents and the residual current that were stored

at the time that Sepam 2000 gave the tripping order. Used to find the fault current

(fault analysis) and assess the level of wear of the breaker

(maintenance assistance). The "clear" button is pressed for zero reset.

True rms current

Measurement of the rms value of phase 1 current up to 4 In, taking into account:

c fundamental,

c harmonics up to rank 21.

Temperature

Temperature measurement in

C for each RTD.

Disturbance recording

Recording of electrical signals and logical information before and after a fault

recorder triggering order is given.

4

Generator

767112574.021.png

767112574.023.png

Measurements used

for commissioning

and maintenance

Characteristics

functions

ranges

accuracy (4)

ammeter (1)

0 to 24 In

0.5%

peak demand current (1)

0 to 24 In

0.5%

voltmeter (1)

0 to 1.5 Un

0.5%

Residual current / residual voltage

Used to check the current and voltage sensor

connections by giving the measurement of:

c the residual current used for the earth fault

protection function,

c the residual voltage used for the directional earth

fault protection function.

wattmeter (1)

0 to 999 MW

1%

varmeter (1)

0 to 999 MVAr

1%

peak demand real power (1)

0 to 999 MW

1%

peak demand reactive power (1)

0 to 999 MVAr

1%

power factor (1) (3)

-1 to +1

0.01

frequency meter (1)

45 to 65 Hz

0.02 Hz

Cumulative breaking current and number

of breaks

Used for breaking device maintenance.

accumulated real energy (1)

0 to 280.10 6 MWh

1%

accumulated reactive energy (1)

0 to 280.10 6 MVArh

1%

tripping currents (1)

phase:

0 to 24 In

5%

earth:

0 to 10 Ino

5%

true rms current (2)

0 to 4 In

1%

up to rank 21

disturbance recording (5)

record

86 periods

12 samples

duration

per period

time before

1 to 85 periods

triggering

event

thermal capacity used (6)

0 to 999%

2%

temperature (1)

-50

to 250

C

1

C

residual current (6)

0 to 10 Ino

5%

residual voltage (6)

0 to 1.5 Un

5%

cumulative breaking current (6)

0 to 9999 (kA) 2

+10%

number of breaks (6)

0 to 99999

(1) measurement accessed on the front panel of Sepam 2000 (display and serial link) and via

the communication system.

(2) measurement accessed on the front panel of Sepam 2000 (serial link).

(3) capacitive or inductive

(4) typical accuracy with nominal values according to IEC 60255-6.

(5) transfer of records to the front panel of Sepam 2000 using the SFT2801 software program

and via Jbus/Modbus communication.

(6) measurement accessed on front panel of Sepam 2000 (serial link) and via the

communication system.

Reminder:

Rated current In, basis current Ib, rated voltage Un and current Ino are general parameters

that are set at the time of Sepam 2000 commissioning.

In is the current sensor rated current (CT rating).

Ib is the current which corresponds to the motor power rating, adjustable from 0.4 to 1.3 In.

Ino is the core balance CT current rating.

Un is the phase-to-phase voltage of the voltage sensor primary windings.

Example of the processing of a disturbance recording record

using the SFT 2826 PC software program.

5

Generator

767112574.024.png

767112574.025.png

767112574.026.png

767112574.027.png

767112574.028.png

767112574.029.png

767112574.030.png

767112574.031.png

767112574.033.png

767112574.034.png

767112574.035.png

767112574.036.png

767112574.037.png

767112574.038.png

767112574.039.png

767112574.040.png

767112574.041.png

767112574.042.png

767112574.044.png

767112574.045.png

767112574.046.png

767112574.047.png

767112574.048.png

767112574.049.png

767112574.050.png

Plik z chomika:

Inne pliki z tego folderu:

3140746A_E.pdf (499 KB)
3140747A_F.pdf (469 KB)
3140748A_E.pdf (258 KB)
3140750A_F.pdf (1149 KB)
3140758A_E.pdf (159 KB)

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin