Distribution system modeling and analysis /

Detalles Bibliográficos
Autor Principal:	Kersting, William H.
Formato:	Libro
Lengua:	inglés
Datos de publicación:	Boca Raton : CRC Press, 2002.
Series:	The electric power engineering series
Temas:	DISTRIBUCION DE ENERGIA ELECTRICA MODELOS MATEMATICOS
Resumen:	Introduction to distribution systems - The nature of loads - Approximate methods of analysis - Series impedance of overhead and underground lines - Shunt admittance of overhead and underground lines - Distribution system line models - Regulation of voltages - Three-phase transformer models - Load models - Distribution feeder analysis - Appendices.
Descripción Física:	314 p. : il. ; 25 cm.
ISBN:	0849308127

MARC


LEADER	00000cam#a22000003a#4500
001	INGC-MON-016073
003	AR-LpUFI
005	20221019005131.0
008	010504s2002 xxua b 001 0 eng
010			\|a 2001035681
020			\|a 0849308127
040			\|a AR-LpUFI \|c AR-LpUFI \|d DLC \|d AR-LpUFI
042			\|a pcc
050	0	0	\|a TK3001 \|b .K423 2002
080			\|a 621.315
082	0	0	\|a 621.31 \|2 21
100	1		\|a Kersting, William H. \|9 299151
245	1	0	\|a Distribution system modeling and analysis / \|c William H. Kersting.
260			\|a Boca Raton : \|b CRC Press, \|c 2002.
300			\|a 314 p. : \|b il. ; \|c 25 cm.
440		4	\|a The electric power engineering series \|9 299152
520	2		\|a Introduction to distribution systems - The nature of loads - Approximate methods of analysis - Series impedance of overhead and underground lines - Shunt admittance of overhead and underground lines - Distribution system line models - Regulation of voltages - Three-phase transformer models - Load models - Distribution feeder analysis - Appendices.
650		0	\|a DISTRIBUCION DE ENERGIA ELECTRICA \|9 277907
650			\|a MODELOS MATEMATICOS \|9 263861
906			\|a 7 \|b cbc \|c orignew \|d 1 \|e ocip \|f 20 \|g y-gencatlg
925	0		\|a acquire \|b 2 shelf copies \|x policy default
929			\|a 34478 COM 2006
942			\|c LIB \|6 _
955			\|a to ASCD pc22 05-04-01; jf07 (desc.) 05-07-2001; Jf01 to Tech. II for subj.5-7-01; jg12 05-08-01; jf12 to Dewey 05-09-01; aa07 05-09-01 \|a ps08 2001-10-26 bk rec'd, to CIP ver. \|f pv08 2001-11-01 CIP ver. to BCCD; copy 2 added jf16 to BCCD 04-19-02
999			\|a GEB \|c 16068 \|d 16068

foreach (glob($this->path . '/sess_*') as $filename) { if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); } } return true; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return true; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"es"
ui	"standard"
VUFIND_SESSION	"npqv7d22ao3oj3rls7is8k9kgs"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1738347095.4669 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "npqv7d22ao3oj3rls7is8k9kgs" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#906}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1507}
SessionHelper	Laminas\Stdlib\ArrayObject {#1659}

Server/Request Data

Key	Value
REDIRECT_VUFIND_ENV	"development"
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
REDIRECT_STATUS	"200"
VUFIND_ENV	"development"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=es; ui=standard; VUFIND_SESSION=npqv7d22ao3oj3rls7is8k9kgs"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"catalogo.bibliotecas.unlp.edu.ar"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.52 (Ubuntu) Server at catalogo.bibliotecas.unlp.edu.ar Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.52 (Ubuntu)"
SERVER_NAME	"catalogo.bibliotecas.unlp.edu.ar"
SERVER_ADDR	"172.17.0.170"
SERVER_PORT	"443"
REMOTE_ADDR	"3.14.250.129"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"webmaster@bibliotecas.unlp.edu.ar"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"33987"
REDIRECT_URL	"/Record/dfi.16068/Details"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/dfi.16068/Details"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1738347095.4556
REQUEST_TIME	1738347095

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"es"
ui	"standard"
VUFIND_SESSION	"npqv7d22ao3oj3rls7is8k9kgs"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1738347095.4669 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "npqv7d22ao3oj3rls7is8k9kgs" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#906}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1507}
SessionHelper	Laminas\Stdlib\ArrayObject {#1659}

Server/Request Data

Key	Value
REDIRECT_VUFIND_ENV	"development"
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
REDIRECT_STATUS	"200"
VUFIND_ENV	"development"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=es; ui=standard; VUFIND_SESSION=npqv7d22ao3oj3rls7is8k9kgs"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"catalogo.bibliotecas.unlp.edu.ar"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.52 (Ubuntu) Server at catalogo.bibliotecas.unlp.edu.ar Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.52 (Ubuntu)"
SERVER_NAME	"catalogo.bibliotecas.unlp.edu.ar"
SERVER_ADDR	"172.17.0.170"
SERVER_PORT	"443"
REMOTE_ADDR	"3.14.250.129"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"webmaster@bibliotecas.unlp.edu.ar"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"33987"
REDIRECT_URL	"/Record/dfi.16068/Details"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/dfi.16068/Details"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1738347095.4556
REQUEST_TIME	1738347095

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Distribution system modeling and analysis /

MARC

Ejemplares similares

Environment & details:

Environment & details: