⚡ SPECTRAGRID
COMTRADE Disturbance Analyzer
IEEE C37.111
IEC 60255
ASCII+BIN
NO FILE
FS:
—
Hz
SMPL:
—
T:
—
📂 Open Files
⚙ Settings
↺ Reset
⊡ Fit
⬇ Export
⌂ Home
Cursor
● C1
● C2
Snap
Scale
Auto
Manual
Fixed
CTR
PTR
Display
Secondary
Primary
Window
Hann
Hamming
Blackman
Rectangular
Flat-top
FFT Cycles
+ Mark
× Marks
📁 File Information
▼
📊
Drop CFG + DAT files
or click to browse · ASCII & Binary supported
Station
—
Device
—
Channels A
—
Channels D
—
Sample Rate
—
Duration
—
File Type
—
Samples
—
📡 Channels
ALL
NONE
▼
Load COMTRADE to view channels
📏 Measurements at Cursor
▼
Channel
C1 Value
C2 Value
Δ
No data
🔍+
🔍-
◀
▶
↺
V
I
All
C1:
—
C2:
—
ΔT:
—
📈
Load a COMTRADE file to begin analysis
Supports ASCII and Binary formats · IEEE C37.111-1999/2013
C1:
—
C2:
—
ΔT:
—
Freq:
—
RMS:
—
Peak:
—
Phasor
Sequence
Harmonics
Power
CTR/PTR
Report
I₁ Positive
—
—°
I₂ Negative
—
—°
I₀ Zero
—
—°
V₁ Positive
—
—°
V₂ Negative
—
—°
V₀ Zero
—
—°
Sequence Waveforms
Channel:
THD:
—
⬇ CSV
Order
Freq (Hz)
Mag
%
Phase (°)
No data
Active Power
—
MW
Reactive Power
—
MVAR
Apparent Power
—
MVA
Power Factor
—
—
Frequency
—
Hz
ROCOF
—
Hz/s
Sequence Imbalance
Current I₂/I₁
—
%
Voltage V₂/V₁
—
%
Configure transformer ratios per channel. Values override those in CFG file.
Secondary
Primary
Load file to configure ratios
Generate professional disturbance analysis report
Include waveform plots
Include phasor diagrams
Include harmonic analysis
Include sequence analysis
Include power measurements
Include fault analysis
📄 Generate PDF Report
📊 Export to CSV
{ } Export to JSON
● CURSOR 1
Time
—
Channel
—
Value
—
RMS
—
● CURSOR 2
Time
—
Channel
—
Value
—
ΔT
—
Cursor
🟢 Set Cursor 1 here
🔴 Set Cursor 2 here
View
🔍 Zoom to region
⊡ Fit to window
↺ Reset zoom
Tools
📌 Add event marker
🖼 Export as PNG
⚙ Settings
✕
Display
Dark theme
Anti-aliased waveforms
Show grid lines
Synchronized zoom
Snap cursor to sample
Show crosshair on hover
Analysis
Nominal frequency
50 Hz
60 Hz
Max harmonics shown