Automation Specifications - GE D90 Plus Instruction Manual

CHAPTER 2: PRODUCT DESCRIPTION

Automation specifications

PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
UNDERFREQUENCY
Elements: ................................................................2
Minimum signal: ..................................................0.10 to 1.25 pu in steps of 0.01
Pickup level: ...........................................................20.00 to 65.00 Hz in steps of 0.01
Dropout level:........................................................pickup level + 0.03 Hz
Level accuracy: ....................................................±0.01 Hz
Time delay:.............................................................0 to 65.535 seconds in steps of 0.001
Timer accuracy:...................................................±3% or 4 ms (whichever is greater)
VT FUSE FAILURE SUPERVISION
Elements: ................................................................1 per source
Monitored parameters:....................................V_2, V_1, I_1
WATTMETRIC ZERO-SEQUENCE DIRECTIONAL
Measured power: ................................................zero-sequence
Elements: ................................................................2
Characteristic angle: .........................................0 to 360° in steps of 1
Minimum power: .................................................0.001 to 1.200 pu in steps of 0.001
Pickup level accuracy: ......................................±1% or 0.0025 pu (whichever is greater)
Hysteresis:..............................................................3% or 0.001 pu (whichever is greater)
Pickup delay: .........................................................definite time (0 to 600.00 seconds in steps of 0.01), inverse
Inverse time multiplier:.....................................0.01 to 2.00 seconds in steps of 0.01
Time accuracy: ....................................................±3% or ±20 ms (whichever is greater)
Operate time:........................................................<30 ms at 60 Hz
AUTOMATION LOGIC
Number of lines of logic:..................................4096
Number of blocks: ..............................................1
Edit and view capability:..................................yes
Logic type: ..............................................................cyclic
Programming language: .................................proprietary
Execution rate: .....................................................50 ms
Variable types:......................................................Boolean, IEEE floating point
Boolean operations: ..........................................NOT, XOR, OR, AND, NOR, NAND, any contact input, any
Arithmetic operations:......................................add, subtract, multiply, divide, negation, absolute value,
Control operations: ............................................latch, timer, comparator, absolute timer functions
Boolean inputs: ....................................................any contact input, direct input, teleprotection input, remote
Analog inputs:.......................................................any FlexAnalog™ quantity
Virtual inputs:........................................................128
Virtual outputs: ....................................................255
Remote inputs: .....................................................64
Remote outputs:..................................................64
Remote devices: ..................................................32
AUTOMATION VIRTUAL INPUTS
Input points:...........................................................128
Programmability: ................................................self-reset or latched
time, or FlexCurve™
direct input, any teleprotection input, any remote input, any
virtual input, any automation logic operand
square root, exponent, logarithm, sine, cosine, tangent,
arcsine, arccosine, arctangent, natural logarithm, base 10
logarithm, modulo, ceiling, floor
input, virtual input, or automation logic operand
SPECIFICATIONS
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