| Test Name | Result |
|---|---|
| User Agent (Old) | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/145.0.0.0 Safari/537.36 Prerender (+https://github.com/prerender/prerender) |
| WebDriver (New) | missing (passed) |
| WebDriver Advanced | passed |
| Chrome (New) | present (passed) |
| Permissions (New) | prompt |
| Plugins Length (Old) | 5 |
| Plugins is of type PluginArray | passed |
| Languages (Old) | en-US |
| WebGL Vendor | Canvas has no webgl context |
| WebGL Renderer | Canvas has no webgl context |
| Broken Image Dimensions | 16x16 |
| PHANTOM_UA | ok | {
"userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/145.0.0.0 Safari/537.36 Prerender (+https://github.com/prerender/prerender)"
} |
| PHANTOM_PROPERTIES | ok | {
"attributesFound": [
false,
false,
false
]
} |
| PHANTOM_ETSL | ok | {
"etsl": 33
} |
| PHANTOM_LANGUAGE | ok | {
"languages": [
"en-US"
]
} |
| PHANTOM_WEBSOCKET | ok | {} |
| MQ_SCREEN | ok | {} |
| PHANTOM_OVERFLOW | ok | {
"depth": 9594,
"errorMessage": "Maximum call stack size exceeded",
"errorName": "RangeError",
"errorStacklength": 846
} |
| PHANTOM_WINDOW_HEIGHT | ok | {
"wInnerHeight": 718,
"wOuterHeight": 580,
"wOuterWidth": 780,
"wInnerWidth": 1440,
"wScreenX": 630,
"wPageXOffset": 0,
"wPageYOffset": 0,
"cWidth": 1424,
"cHeight": 1561,
"sWidth": 1440,
"sHeight": 718,
"sAvailWidth": 1440,
"sAvailHeight": 718,
"sColorDepth": 24,
"sPixelDepth": 24,
"wDevicePixelRatio": 1
} |
| HEADCHR_UA | FAIL | {
"userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/145.0.0.0 Safari/537.36 Prerender (+https://github.com/prerender/prerender)"
} |
| HEADCHR_CHROME_OBJ | ok | {} |
| HEADCHR_PERMISSIONS | ok | {} |
| HEADCHR_PLUGINS | ok | {
"plugins": [
"PDF Viewer::Portable Document Format::internal-pdf-viewer::__application/pdf~pdf~Portable Document Format,text/pdf~pdf~Portable Document Format",
"Chrome PDF Viewer::Portable Document Format::internal-pdf-viewer::__application/pdf~pdf~Portable Document Format,text/pdf~pdf~Portable Document Format",
"Chromium PDF Viewer::Portable Document Format::internal-pdf-viewer::__application/pdf~pdf~Portable Document Format,text/pdf~pdf~Portable Document Format",
"Microsoft Edge PDF Viewer::Portable Document Format::internal-pdf-viewer::__application/pdf~pdf~Portable Document Format,text/pdf~pdf~Portable Document Format",
"WebKit built-in PDF::Portable Document Format::internal-pdf-viewer::__application/pdf~pdf~Portable Document Format,text/pdf~pdf~Portable Document Format"
]
} |
| HEADCHR_IFRAME | ok | {} |
| CHR_DEBUG_TOOLS | ok | {} |
| SELENIUM_DRIVER | ok | {
"attributesFound": [
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false,
false
]
} |
| CHR_BATTERY | ok | {} |
| CHR_MEMORY | FAIL | {} |
| TRANSPARENT_PIXEL | ok | {
"0": 0,
"1": 0,
"2": 0,
"3": 0
} |
| SEQUENTUM | ok | {} |
| VIDEO_CODECS | ok | {
"h264": "probably"
} |
| navigator.cookieEnabled | true |
| navigator.doNotTrack | null |
| navigator.msDoNotTrack | undefined |
| navigator.sendBeacon | |
| navigator.cookieEnabled | true |
| navigator.userAgent | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/145.0.0.0 Safari/537.36 Prerender (+https://github.com/prerender/prerender) |
| navigator.appName | Netscape |
| navigator.vendor | Google Inc. |
| navigator.appCodeName | Mozilla |
| navigator.getUserMedia | |
| navigator.sayswho | undefined |
| navigator.javaEnabled | false |
| navigator.plugins | {"0":{"0":{},"1":{}},"1":{"0":{},"1":{}},"2":{"0":{},"1":{}},"3":{"0":{},"1":{}},"4":{"0":{},"1":{}}} |
| screen.width | 1440 |
| screen.height | 718 |
| screen.colorDepth | 24 |
| navigator.language | en-US |
| navigator.loadPurpose | undefined |
| navigator.platform | Linux x86_64 |
| navigator.mediaDevices | |
| navigator.getBattery details | Charging: true Level: 1 |
| Canvas1 | Hash: -419353324 |
| Canvas2 | Hash: -419353324 |
| Canvas3 (iframe sandbox) |
Hash: -419353324 |
| Canvas4 (iframe sandbox) |
Hash: -419353324 |
| Canvas5 (iframe) |
Hash: -419353324 |
If the currents don't match, an internal fault exists, and the zone is isolated instantly. š Coordination Principles
Outside, the squirrel's short eased as rain cooled the sanded fur and the arc extinguished. Maro reclosed, Ada restored normal cadence, and the bakery's ovens kept their warmth. The hospital's monitors breathed easy. Leila let out a small laugh that tasted of relief and stale coffee. electrical distribution system protection pdf
A recurring theme in any is selective coordination . Imagine a tree: the main feeder is the trunk, branch circuits are limbs, and final loads are twigs. If the currents don't match, an internal fault
Any detailed will categorize protection hardware into four main families: The hospital's monitors breathed easy
Elena watched the overcurrent relay count down: 0.3 seconds of delay. Not a mistakeāa coordination margin. If she tripped too fast, the upstream breaker would kill half the district. Too slow, and the cable would melt.
Rapid operation to minimize equipment damage and ensure personnel safety.
Electrical distribution system protection ensures safety and reliability by isolating faulted sections while maintaining power to the rest of the grid. It utilizes a hierarchy of devices to detect abnormal conditions like short circuits or overloads. Core Components : The "brains" that sense electrical faults.