RefleX

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RefleX
Modern protection and control
- the easy way
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RefleXMeans and measures - the user in focus

• Uncomplicated solutions
• Requires flexibility
• Modularity
• User-specification
• End results are
• - Efficient operation
• - Cost-effective operation
• - Reduced life-time cost

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RefleXConfusion or solution
Iogt
Igt
I
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RefleXConfiguration and settings - one example
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RefleXMenu and settings
EF current set Io 80/0.8A CT 100/1A In 1A
OC/EFÐ I1 124A I2 120A I3 123A
Trip records
EF voltage set Uo 10392/90V VT 12701/110V
Low current set Igt 160/4A tgt 1.5s Def.t CT
200/5A In 5A
EF angle set Direction 90 Sector 120 tø 1.5s
High current set Igtgt 1200/30A tgtgt 0.05s Def.t CT
200/5A In 5A
YMD 2002-05-29 HMS 135236 Password
Frequency 50Hz
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RefleXUser-Interface

• 4 - line display
• Complete keyboard
• Spreadsheet navigation
• 3 signal lamps
• 2 week calendar/clock

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RefleXConnections (I/O)

• 3 voltage inputs
• 4 current inputs
• 8 opto-inputs
• Auxiliary supply
• 8(7) output relays
• Dual IEC 870 fiber bus
• Internal fiber bus

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RefleXLocal relay optical fiber network
2-winding diff.
RTU
Igt/Io
Zlt

• Local duplex ring bus - IEC 870 (ring or star)
• Remote/local control - IEC 870
• Internal bus for multi-module relays

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RefleXRemote application
Remote application
Fibre converter
RTU
IEC 870 variant Conversion IEC 870 standard
Modem
Modem
IEC 870 Local Relay Network
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RefleXMulti-modular protection
3-winding differential protection
HV
MV
LV

• Internal bus
• Current measurement

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RefleXLarge dynamic range in current measurement

• IEC inverse curves
• Basic setting 0.5-2,5In
• Measuring range 30basic setting
• Max current 52.530 375A
• Correct measurement at 2.5A
• Two parallel measurements
• 1/16 relationship in attenuation
• High resolution in measuring range
• High accuracy in measuring range

I max 375A
14 bit in the whole range
14 bit in1/16 of the measuring range
In 5A
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RefleXAccurate angle-measurement

• Differential measurement
• Large deviation at small errors
• Need for synchronous measurement
• Multiplexing not accepted
• Important at -
• Impedance relays
• Earth-fault directional relays
• Directional overcurrent relays

Ures U1-U2
U1
U2
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RefleXMeasuring system
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RefleXSome examples of relay versions

• OC, DEF, Neg.sequence, 1..6 shot AR
• Overcurrent and EF
• Overvoltage / Undervoltage
• Full scheme 4-zone impedance
• 2- or 3-winding transformer differential
• Distance-to-fault locator

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RefleXTechnical data

• 3 voltage inputs, 0-170V AC
• 4 current inputs, In 1A / 5A AC
• 8 opto inputs, 24-240V bipolar DC
• 7 output relays (2 with NO/NC contacts)
• 1 watchdog with NC contact
• Auxiliary voltage 24-240V AC/DC