GE D90 Plus - Automation Specifications

CHAPTER 2: PRODUCT DESCRIPTION SPECIFICATIONS
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 29
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
time, or FlexCurve™
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 specifications
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
direct input, any teleprotection input, any remote input, any
virtual input, any automation logic operand
Arithmetic operations:......................................add, subtract, multiply, divide, negation, absolute value,
square root, exponent, logarithm, sine, cosine, tangent,
arcsine, arccosine, arctangent, natural logarithm, base 10
logarithm, modulo, ceiling, floor
Control operations: ............................................latch, timer, comparator, absolute timer functions
Boolean inputs:....................................................any contact input, direct input, teleprotection input, remote
input, virtual input, or automation logic operand
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