??? "Times New Roman"">上海銳呈電氣有限公司生產(chǎn)的GPS "Times New Roman"">授時(shí)系統(tǒng)時(shí)間精度高,信號(hào)捕獲能力強(qiáng),具有多種信號(hào)輸出方式。液晶顯示,漢化菜單,輕觸按鍵操作,金屬外殼,拉絲拋光處理! mso-hansi-font-family:"Times New Roman"">。
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"Times New Roman"">電廠的時(shí)間同步是一件重要的基礎(chǔ)工作,現(xiàn)在電廠大多采用不同廠家的計(jì)算機(jī)監(jiān)控系統(tǒng)、DCS
mso-hansi-font-family:"Times New Roman"">分布式控制系統(tǒng)、微機(jī)保護(hù)、故障錄波裝置、電能量計(jì)費(fèi)系統(tǒng)、電液調(diào)速系統(tǒng)DEH
mso-hansi-font-family:"Times New Roman"">、SCADA
"Times New Roman"">系統(tǒng)及各種輸煤PLC
"Times New Roman"">、除灰PLC、化水PLC
mso-hansi-font-family:"Times New Roman"">、脫硫PLC
"Times New Roman"">、管理信息系統(tǒng)(MIS)
"Times New Roman"">、廠級(jí)監(jiān)控信息系統(tǒng)(SIS)
"Times New Roman"">或針對(duì)生產(chǎn)過(guò)程分析類應(yīng)用軟件等,以前的時(shí)間同步大多是各設(shè)備提供商采用各自獨(dú)立的時(shí)鐘,而各時(shí)鐘因產(chǎn)品質(zhì)量的差異,在對(duì)時(shí)精度上都有一定的偏差,從而使全廠各系統(tǒng)不能在統(tǒng)一的時(shí)間基準(zhǔn)基礎(chǔ)上進(jìn)行數(shù)據(jù)分析和比較,給事故后正確的故障分析判斷帶來(lái)很大困難?,F(xiàn)在,電廠工作人員已經(jīng)充分意識(shí)到時(shí)間統(tǒng)一的重要性。上海銳呈公司生產(chǎn)的GPS授時(shí)系統(tǒng)
"Times New Roman"">,就可實(shí)現(xiàn)全廠各系統(tǒng)在統(tǒng)一時(shí)間基準(zhǔn)下的運(yùn)行監(jiān)控和事故后的故障分析,大大提高了電廠的安全穩(wěn)定性。
GPS授時(shí)系統(tǒng) "Times New Roman"">的特點(diǎn):
1.時(shí)間精度高,達(dá)30nS mso-hansi-font-family:"Times New Roman"">。
2.守時(shí)精度高。裝置內(nèi)部守時(shí)單元采用了時(shí)間頻率測(cè)控技術(shù)與智能馴服算法,晶體選用高精度恒溫晶體振蕩器,使裝置守時(shí)準(zhǔn)確度優(yōu)于7*10-9(0.42μS/ mso-hansi-font-family:"Times New Roman"">分鐘) "Times New Roman"">,即在外部時(shí)間基準(zhǔn)異常的情況下,每天時(shí)鐘走時(shí)誤差不超過(guò)0.6mS "Times New Roman"">。
3.支持單GPS mso-hansi-font-family:"Times New Roman"">、單北斗、雙GPS "Times New Roman"">、雙北斗、 GPS/ "Times New Roman"">北斗雙系統(tǒng)衛(wèi)星接收機(jī)配置。
4.應(yīng)用GPS mso-hansi-font-family:"Times New Roman"">授時(shí)技術(shù)/ "Times New Roman"">北斗授時(shí)技術(shù)/B "Times New Roman"">碼基準(zhǔn)解碼接收技術(shù)/ "Times New Roman"">高穩(wěn)晶體振蕩器守時(shí)技術(shù)授時(shí),實(shí)現(xiàn)多基準(zhǔn)冗余授時(shí),能夠智能判別GPS "Times New Roman"">信號(hào)、北斗信號(hào)、外部B "Times New Roman"">碼時(shí)間基準(zhǔn)信號(hào)的穩(wěn)定性和優(yōu)劣,并提供多種時(shí)間基準(zhǔn)配置方法。
5.采用**的測(cè)頻與“智能學(xué)習(xí)算法”,使守時(shí)電路輸出信號(hào)與GPS mso-hansi-font-family:"Times New Roman"">衛(wèi)星/ "Times New Roman"">北斗衛(wèi)星信號(hào)/IRIG-B "Times New Roman"">時(shí)間基準(zhǔn)保持精密同步,消除因晶體振蕩器老化造成的頻偏帶來(lái)的影響。
6.采用雙電源冗余供電,并選用高性能、寬范圍開關(guān)電源,工作穩(wěn)定可靠,裝置電源供電自適應(yīng)。
7.GPS/ mso-hansi-font-family:"Times New Roman"">北斗接收天線重點(diǎn)考慮了防雷設(shè)計(jì)、穩(wěn)定性設(shè)計(jì)、抗干擾設(shè)計(jì), "Times New Roman"">信號(hào)接收可靠性高,不受電廠/ "Times New Roman"">變電站地域條件和環(huán)境的限制。
8.裝置可通過(guò)數(shù)碼管顯示跟蹤到的有效衛(wèi)星個(gè)數(shù),直觀地反映裝置的收星狀況。
9.裝置提供一路可編程的TTL mso-hansi-font-family:"Times New Roman"">脈沖信號(hào)(1PPS/1PPM/1PPH "Times New Roman"">)供時(shí)鐘的準(zhǔn)確度指標(biāo)測(cè)試。
10.可同時(shí)為網(wǎng)絡(luò)中幾十萬(wàn)臺(tái)客戶端、服務(wù)器、工作站提供授時(shí)服務(wù)。
11.支持WINDOWS9X/NT/XP/2000/2003/2008/2012/WINDOWS7 "Times New Roman"">、LINUX、UNIX mso-hansi-font-family:"Times New Roman"">、SUN SOLARIS "Times New Roman"">、IBM AIX "Times New Roman"">、HP-UX等操作系統(tǒng)及支持NTP mso-hansi-font-family:"Times New Roman"">協(xié)議的路由器、交換機(jī)、DVR "Times New Roman"">、智能控制器等網(wǎng)絡(luò)設(shè)備。
12.裝置采用全模塊化即插即用結(jié)構(gòu)設(shè)計(jì),支持板卡熱插拔,配置靈活,維護(hù)方便。
13.裝置不僅實(shí)現(xiàn)了板卡全兼容,還提供了豐富的信號(hào)接口資源和開放式特殊接口設(shè)計(jì)平臺(tái),具備兼容能力, mso-hansi-font-family:"Times New Roman"">提供多路脈沖信號(hào)、IRIG-B "Times New Roman"">信號(hào)、時(shí)間報(bào)文、PTP "Times New Roman"">、NTP/SNTP "Times New Roman"">信號(hào)。
14.完善的北斗和GPS
mso-hansi-font-family:"Times New Roman"">信號(hào)的性能監(jiān)測(cè),自動(dòng)或手動(dòng)選擇主用衛(wèi)星信號(hào)。支持本地和遠(yuǎn)程網(wǎng)管,通過(guò)WEB
mso-hansi-font-family:"Times New Roman"">方式對(duì)設(shè)備進(jìn)行遠(yuǎn)程管理,完成對(duì)設(shè)備的衛(wèi)星接收狀況、設(shè)備工作狀態(tài)、參數(shù)設(shè)置等信息進(jìn)行管理。
GPS授時(shí)系統(tǒng) "Times New Roman"">的技術(shù)參數(shù)
1.GPS/ mso-hansi-font-family:"Times New Roman"">北斗接收天線
mso-hansi-font-family:"Times New Roman"">頻率:B1&L1 "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">阻抗:50 "Times New Roman"">Ω;
mso-hansi-font-family:"Times New Roman"">增益:42dB "Times New Roman"">±2dB;(不含電纜)
mso-hansi-font-family:"Times New Roman"">噪聲系數(shù):≤2.2dB "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">駐波比:≤2.0 "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">極化方式:右旋極化;
mso-hansi-font-family:"Times New Roman"">防浪涌抗擾度性能:IEC6
mso-hansi-font-family:"Times New Roman"">工作溫度:-45 "Times New Roman"">℃~+85℃;?
mso-hansi-font-family:"Times New Roman"">貯存溫度:-50 "Times New Roman"">℃~+90℃;
2.GPS/ mso-hansi-font-family:"Times New Roman"">北斗信號(hào)接收器
mso-hansi-font-family:"Times New Roman"">授時(shí)精度:1PPS "Times New Roman"">優(yōu)于20nS( 1 mso-hansi-font-family:"Times New Roman"">σ)。
mso-hansi-font-family:"Times New Roman"">授時(shí)模式:授時(shí)(支持單系統(tǒng)獨(dú)立授時(shí)、雙系統(tǒng)聯(lián)合授時(shí))、靜態(tài)授時(shí)(用戶輸入位置)、單星授時(shí)。
mso-hansi-font-family:"Times New Roman"">通道:192 "Times New Roman"">通道。
mso-hansi-font-family:"Times New Roman"">內(nèi)部電池:電池類型:鋰電池;電池壽命:≮25000h mso-hansi-font-family:"Times New Roman"">。
GPS接收器
mso-hansi-font-family:"Times New Roman"">接收頻率(GPS L1 "Times New Roman"">):1575.42MHz "Times New Roman"">(L1信號(hào))。
mso-hansi-font-family:"Times New Roman"">接收靈敏度:捕獲〈-160dBW "Times New Roman"">,跟蹤〈-163dBW "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">同時(shí)跟蹤:正常狀態(tài)下可同時(shí)跟蹤8 mso-hansi-font-family:"Times New Roman"">~16 "Times New Roman"">顆GPS衛(wèi)星;
????????? mso-hansi-font-family:"Times New Roman"">裝置冷啟動(dòng)時(shí)不小于4 "Times New Roman"">顆衛(wèi)星;
????????? mso-hansi-font-family:"Times New Roman"">裝置熱啟動(dòng)時(shí)不小于1 "Times New Roman"">顆衛(wèi)星。
mso-hansi-font-family:"Times New Roman"">捕獲時(shí)間:裝置冷啟動(dòng)時(shí),〈2min "Times New Roman"">;裝置熱啟動(dòng)時(shí),〈20s "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">北斗接收器
mso-hansi-font-family:"Times New Roman"">接收頻率(BD2 B1 "Times New Roman"">):1561.098 "Times New Roman"">±4MHz。
mso-hansi-font-family:"Times New Roman"">接收機(jī)靈敏度:-157.6dBW "Times New Roman"">;
TTFF:冷啟動(dòng):35s, mso-hansi-font-family:"Times New Roman"">熱啟動(dòng):1s, "Times New Roman"">失鎖重捕獲:<1s "Times New Roman"">。
"Times New Roman"">銳呈GPS
"Times New Roman"">授時(shí)系統(tǒng),精度高、免維護(hù),三年免費(fèi)質(zhì)保,終生維護(hù),詳情請(qǐng)致電咨詢!
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