Generator Protection System

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Generator Protection System
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What is it?

• Generator Protection System based on the
  successful 851/951 platform
• Includes Multifunction Protection and
• Metering and Control
• Relay Status Alarms
• Breaker Monitoring
• Detailed Event and Oscillography Data
• Communication (Status, Metering, Control,
  Settings, Events)
• Programmable Logic
• Programmable I/O

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What makes it unique?

• High Flexibility
• Flexibility in protection settings
• Flexibility in application logic
• Flexibility in packaging (H1 and S1 case)
• Optimal functionality in a small package

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Typical BE1-GPS One Line
Bus
52
VX on Broken Delta, 3Vo, gen neutral
VX
VX one optional phase voltage input usable for
either gen neutral or sync check
3,2
47
x81 O/U
x27N x59N
x27P x59P
24
25
G
46Q
x40Q
50TN
x32
60FL
50TP
3
BF
51N
51P VR/VC
151N
x50/51N 3Io or Ig
1 neu
VX, Ig Optional
IE Logic
x62
27-3N
VX
R or X
Front Display, RS232 ASCII, RS485,
ASCII/Modbus/DNP, Oscillography, SOE, 2 Setting
Groups, Programmable Logic, 4 status in, 6
contact out
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Protection - Current

• 51V Phase Overcurrent
• Settable for
• Voltage Controlled (51/27C)
• Voltage Restrained (51/27R)
• Normal (51)
• Multiple time curves using IEEE C37.112-1996
• 7-CO, 5-IAC, 4-IEC, 1-fixed, 1-programmable
• Each with instantaneous or integrating reset
• 51N, 151N
• Each can be assigned to
• Three Phase Residual-3I0 (IN)
• Optional Independent Ground Input (IG)

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Protection - Current

• 46 Negative Sequence Overcurrent
• Accepts K factor based I2 curve or
• Standard time overcurrent curves
• BF Breaker Failure
• Timer with fast dropout current detector
• Supervise / Block with either internal
  elements or external inputs
• Start / Initiate with either internal elements
  or external inputs

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Protection - Current

• 50TP Phase Instantaneous / Def. Time
• Use for Inadvertent Energization logic or
• On line indication or
• Phase fault protection or
• User-defined purpose
• 50TN Ground Inst. / Def. Time
• Use for Inadvertent Energization logic or
• Ground fault protection or
• User-defined purpose

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Protection - Current

• 51N monitoring Optional Independent Ground Input
  can act as OC differential.
• For those applications requiring Generator
  Differential (87) Use the
  BE1-87G or the BE1-CDS220
• Redundancy gained by placing the differential in
  a separate package avoids the all your eggs in
  one basket pitfall

• Basler offers competitive pricing for the
  CDS220/GPS100 combo package

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Protection - Voltage

• 24 Volts/Hertz
• Inverse quantity squared curve
• Time delay proportionate to (1/(M-1)2)
• 25 Sync Check
• dV, dF, df
• Sync allowed on gen. frequencygtbus frequency if
  desired
• Instantaneous response no time delay needed,
  but can be added with 62 timer

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Protection - Voltage

• 27P, 127P Phase Undervoltage
• 59P, 159P Phase Overvoltage
• Unique user selected 1/3, 2/3, or 3/3 logic
• Definite time
• 47 Negative Sequence Voltage
• Reverse phase energization detection
• Applicable for mobile generators
• Definite time

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Protection - Voltage

• 27X, 127X, 59X, 159X Auxiliary Over and Under
  Voltage
• Definite Time
• 3 User Selected Modes
• - Mode 1 Aux VT, fundamental frequency
• Monitor bus or monitor generator neutral for
  ground fault
• - Mode 2 Phase VT, 3Vo
• Monitor generator high side for ground fault
• - Mode 3 Aux VT, 3rd Harmonic
• Absence of neutral 3rd harmonic indicates ground
  fault

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Protection - Voltage

• 60FL Fuse Loss Detection Algorithm
• Negative Sequence Voltage in the absence of
  negative sequence current
• Loss of all phase voltages with no phase
  current, with breaker closed
• 81, 181, 281, 381 Over / Under Frequency
• Definite time
• Frequency set points can be Over or Under
• Undervoltage blocking

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Protection - V x I

• 32, 132 Forward or Reverse, Over or Under Power
  (Under with user supplied logic)
• Use for Loss of Prime Mover
• Online indication
• Sequential tripping
• 40Q, 140Q Loss of Excitation
• Definite Time
• Offset Sloped VAR Flow Algorithm
• Set one Fast/High 2nd Slow/Low

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Auxiliary Timers

• 62, 162, 262, 362 General Purpose Logic Timers
• Multiple Modes of Operation
• Pickup / Drop Out
• One Shot, Retriggerable
• One Shot, Non-retriggerable
• Integrating Timer
• Latch
• Very Long PU and DO Time delays
• 0.000-9999s (2.78hrs)

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Control

• Virtual Control switches in the relay replace
  panel mounted switches
• Controllable from relay HMI or via serial
  ports
• 101 Breaker Control switch
• 3 Outputs 101T (Pulse Trip), 101C (Pulse Close),
  101SC (Slip Contact)
• 43, 143, 243, 343 switches
• 3 modes On / Off Off / Momentary On On / Off /
  Pulse
• User settable labels

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Switchable Setting Groups

• Two settings groups for addressing different
  operating conditions
• Controlled via Programmable Inputs
• Control via 43 switches
• Settings are independent
• Setting Group can change logic

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Typical One Line
G
PRIME
MOVER
FIELD
GND
FLT
LOGIC
3RD
27X
151N
32
24
59X
3Vo
159P
132
27P
81
159X
40Q
47
181
IN2
59P
140Q
281
SIMULTANEOUS
TRIP
101
51V
(T)
381
159P
TIMER
46
60FL
Unused Functions
IN3
SEQUENTIAL
TRIP
50P
43
25
IN4
I.E.
50N
LOGIC
143
IN1
127P
51N
243
50BF
343
127X
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Metering Functions

• Volts ph-ph, ph-n
• Amps Ph, N, Gnd, Neg Sequence
• Watts, VARS, Forward/Reverse
• Watt-Hours, VAR-Hours
• Read from
• BESTCOMS
• Front HMI
• ASC commands
• SCADA access via com. ports

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Metering Functions
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Metering Functions

• Demand
• Amps per phase, ground, negative seq.
• Watts, VARs, Forward / Reverse
• Demand Alarms
• Today's, yesterday's, peak since reset
• Demand interval separately settable for phase,
  neutral, and negative sequence

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Settings File Documentation

• Use BESTCOMS to print or export all
  settings with a single click
• Five pages of detailed settings
• Fast and easy settings documentation

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Detailed Event Reports

• 16 Fault Summary Reports
• Includes tripping elements, targets, current,
  voltage, duration
• 255 Sequence of Events
• SOE includes all logic changes of state and all
  protective element and I/O pu/do
• 240 Cycle Oscillography
• View with free BESTwave software
• Divided over 6-16 events (user setting)
• 12 samples / cycle

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Alarms

• 4 Types of Alarms
• Relay Fail, Major, Minor, or Logic
• Front Panel includes LEDs for
  Relay Trouble, Major, and Minor Alarms
• Relay Fail Contact Output
• Continuous self test
• Reset alarms via Contact Input or
  Logic command

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Breaker Monitoring

• Accumulation of interrupted I or I2
• Provisions to disable breaker duty during test
  current injection
• Operations counter
• Excessive clearing time
• Built-in trip circuit monitor (Output 1)

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I/O

• 3 Phase CTs, 1 or 5 A
• Optional Independent Gnd CT, 1 or 5 A
• 3 Phase VTs, 3W, 4W, or 1 Ph
• 1 Aux VT (Gen Neutral or Bus)
• 4 Programmable Status Inputs
• 5 Programmable 1 Alarm Outputs
• 3 Communication Ports
• Front Panel LCD display with 5 virtual switches

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Advanced Human Machine Interface

• Programmable scroll list
• You can't get lost in the menu tree
• Automatic priority of target and alarm displays
• Most settings changeable via HMI
• Logic setup requires com. port access

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Integration Friendly Features

• Virtual Switches replace physical switches for
  local and remote control
• Metering, Alarm, and Status Reporting
• Three Independent Communications Ports with
  optional protocol support
• Modbus
• DNP 3.0 Level 2 Certified

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Communications

• Three independent general purpose com ports
• All are optically isolated
• ASCII command communications
• Free WindowsÒ based software included for setting
  and interrogation of the relay
• Protocol support for Com2 (RS-485 port on rear)
• IRIG-B port is standard (external time sync)

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Security

• Three access areas with independent passwords
• Master access password
• Security independently settable for each port

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Hardware Features

• Flash memory for embedded programming
• Active CT technology
• Power supply holds up to 100ms with 4 output
  relay energized upon complete loss of power
• Full drawout half rack and S1 case

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Mounting

• Half Rack Case (H1)
• Mounting Accessories
• Two Escutcheon Plates available
• Panel mounts one H1 type relay
• Panel mounts two H1 type relays dovetailed
  side-by-side
• Two Adapter brackets available
• Mounts single H1 case relay in a 19 rack
• with cutout for FT test switch
• without cutout for FT test switch

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What about mounting?

• S1 Case with Test Paddle
• Mounting Accessories
• Fits in same size cutout as Basler and GE S1
  case
• Available in S1 single and double ended Cases
• Two Adapter Plates available
• Mounts S1 case in GE S2 or West. FT21 cutout
• Mounts S1 case in West FT32 cutout

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Windows Software

• Free BESTCOMS with Every Relay
• System Setup Summary Screen shows all enabled
  functions
• Screens are provided for the operational setting
  of each protective function
• Screens are provided to aid making BESTlogic
  settings

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Windows Software

• Free BESTCOMS with Every Relay
• System Setup Summary Screen shows all enabled
  functions
• Screens are provided for operational setting of
  each protective function
• Screens are provided to aid making BESTlogic
  settings

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Windows Software

• Free BESTCOMS with Every Relay
• System Setup Summary Screen shows all enabled
  functions
• Screens are provided for the operational setting
  of each protective function
• Screens are provided to aid in making BESTlogic
  settings

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FLEXIBILITYApplication Logic

• BESTlogic
• Highly flexible programming language
• Equivalent to combining discrete component with
  user defined Boolean logic
• User has the same flexibility as in the days
  before multifunction relays
• Evaluation effort is reduced

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FLEXIBILITYApplication Logic

• User defined Inputs and Output Application
• Customize to application
• User defined variable names
• Easier to analyze event reports
• Allows virtual switch name to be customized to
  application

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BESTlogic

• Select a Pre-programmed Scheme
• OR
• Program a Custom Logic Scheme

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BESTlogicExample Virtual Selector switch
Mode 0 - disable 1 - on/off or pulse 2 -
on/off only 3 - pulse only
7 Character User defined name for OFF state
43
10 character User defined name for switch
HMI or Communication Port Command
7 Character User defined name for ON state
Virtual switches 43, 143, 243, 343
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BESTprint

• BESTPRINT allows users to preview and print
  graphical representations of BESTCOMS settings
  files.
• 15 pages of detailed documentation

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Questions?