標(biāo)準(zhǔn)解讀
《GB/T 7357-2025 船舶電氣設(shè)備 系統(tǒng)設(shè)計 保護》相較于《GB/T 7357-2010 船舶電氣設(shè)備 系統(tǒng)設(shè)計 保護》，在多個方面進(jìn)行了更新和調(diào)整，以適應(yīng)技術(shù)進(jìn)步及行業(yè)需求的變化。新版本標(biāo)準(zhǔn)更加強調(diào)了電氣系統(tǒng)安全性與可靠性的要求，并引入了新技術(shù)的應(yīng)用指導(dǎo)。
首先，在術(shù)語定義部分增加了對一些新出現(xiàn)的電氣元件和技術(shù)名詞的解釋，確保文檔能夠準(zhǔn)確反映當(dāng)前行業(yè)狀況。其次，對于電氣設(shè)備的選擇、安裝以及維護提出了更加具體且嚴(yán)格的要求，尤其是在防止電氣火災(zāi)、提高能效等方面做了詳細(xì)規(guī)定。
此外，《GB/T 7357-2025》還特別關(guān)注了智能船舶的發(fā)展趨勢，增加了關(guān)于自動化控制系統(tǒng)安全防護的內(nèi)容，包括但不限于網(wǎng)絡(luò)安全措施、數(shù)據(jù)傳輸加密等建議。同時，也對電力推進(jìn)系統(tǒng)的特殊考慮進(jìn)行了補充說明，如針對不同類型的推進(jìn)器如何進(jìn)行有效的過載保護和短路保護。
在測試方法上，《GB/T 7357-2025》引入了更多先進(jìn)的檢測技術(shù)和工具，旨在通過更科學(xué)的方法來驗證電氣設(shè)備及其系統(tǒng)的性能是否符合預(yù)期目標(biāo)。這不僅有助于提升產(chǎn)品質(zhì)量，也為后續(xù)可能出現(xiàn)的問題提供了更好的追蹤依據(jù)。
最后，新版標(biāo)準(zhǔn)還加強了與其他相關(guān)國際標(biāo)準(zhǔn)的一致性，比如IEC系列標(biāo)準(zhǔn)，使得中國船舶電氣設(shè)備的設(shè)計與制造更加國際化，便于參與全球市場競爭。
如需獲取更多詳盡信息，請直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。
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- 2025-04-25 頒布
- 2025-11-01 實施
文檔簡介
ICS
47.020.60
CCS
U60
中華人民共和國國家標(biāo)準(zhǔn)
GB/T7357—2025/IEC60092?202：2016
代替GB/T7357—2010
船舶電氣設(shè)備系統(tǒng)設(shè)計保護
Electricalinstallationsinships—Systemdesign—Protection
（IEC60092?202：2016，Electricalinstallationsinships—
Part202：Systemdesign—Protection，IDT）
2025-04-25發(fā)布2025-11-01實施
國家市場監(jiān)督管理總局發(fā)布
國家標(biāo)準(zhǔn)化管理委員會
GB/T7357—2025/IEC60092?202：2016
目次
前言
·····································································································
Ⅲ
1
范圍
··································································································
1
2
規(guī)范性引用文件
······················································································
1
3
術(shù)語和定義
···························································································
1
4
一般要求
······························································································
3
4.1
通則
······························································································
3
4.2
基礎(chǔ)保護
·························································································
3
4.3
分析和計算
······················································································
3
5
電力負(fù)荷分析
·························································································
3
6
短路電流計算
·························································································
4
7
選擇性保護分析
······················································································
4
7.1
通則
······························································································
4
7.2
電流選擇性
······················································································
4
7.3
時間電流選擇性
·················································································
4
7.4
替代保護方案
····················································································
4
8
短路保護裝置的特性和選型
··········································································
5
8.1
通則
······························································································
5
8.2
保護裝置
·························································································
5
8.3
額定短路分?jǐn)嗄芰?/p>
···············································································
5
8.4
額定短路接通能力
···············································································
5
8.5
選擇性保護電器的協(xié)調(diào)
··········································································
6
9
過載保護裝置選型
····················································································
6
9.1
機械開關(guān)裝置
····················································································
6
9.2
過載保護熔斷器
·················································································
6
9.3
靜止或固態(tài)開關(guān)裝置
·············································································
6
10
按使用要求選擇保護電器
···········································································
6
10.1
通則
·····························································································
6
10.2
發(fā)電機的保護
···················································································
7
10.3
重要用電設(shè)備的保護
···········································································
7
10.4
變壓器的保護
···················································································
7
10.5
電路的保護
·····················································································
7
10.6
電動機的保護
···················································································
8
10.7
蓄電池的保護
···················································································
8
10.8
儀表、指示燈和控制電路的保護
·······························································
8
Ⅰ
GB/T7357—2025/IEC60092?202：2016
10.9
靜止或固態(tài)裝置的保護
·········································································
8
11
交流發(fā)電機的逆功率保護
···········································································
8
12
欠電壓保護
··························································································
9
12.1
交流和直流發(fā)電機
··············································································
9
12.2
交流和直流電動機
··············································································
9
13
過壓保護
····························································································
9
13.1
總則
·····························································································
9
13.2
變壓器
··························································································
9
13.3
交流設(shè)備
························································································
9
14
欠頻率和過頻率保護
················································································
9
參考文獻(xiàn)
································································································
10
Ⅱ
GB/T7357—2025/IEC60092?202：2016
前言
本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)
定起草。
本文件代替GB/T7357—2010《船舶電氣設(shè)備系統(tǒng)設(shè)計保護》，與GB/T7357—2010相比，
除結(jié)構(gòu)調(diào)整和編輯性改動外，主要技術(shù)變化如下：
a）增加了“基礎(chǔ)保護”“電力負(fù)荷分析”的定義（見3.11、3.12）；
b）增加了電力系統(tǒng)分析、計算的規(guī)定（見4.3）；
c）增加了電力負(fù)荷分析的規(guī)定（見第5章）；
d）更改了短路電流的規(guī)定，增加了短路電流計算的規(guī)定（見第6章，2010年版的第5章）；
e）增加了選擇性保護分析的規(guī)定（見第7章）；
f）刪除了照明電路的保護和岸電連接的保護的相關(guān)規(guī)定（見2010年版的8.7、8.8）；
g）增加了欠頻率和過頻率保護的規(guī)定（見第14章）。
本文件等同采用IEC60092?202：2016《船舶電氣設(shè)備第202部分：系統(tǒng)設(shè)計保護》。
本文件做了下列最小限度的編輯性改動：
—將標(biāo)準(zhǔn)名稱修改為《船舶電氣設(shè)備系統(tǒng)設(shè)計保護》。
請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔(dān)識別專利的責(zé)任。
本文件由全國船舶電氣及電子設(shè)備標(biāo)準(zhǔn)化技術(shù)委員會（SAC/TC531）提出并歸口。
本文件起草單位：上海船舶研究設(shè)計院、中國船舶集團有限公司第七〇四研究所。
本文件主要起草人：陸奕清、董治強、楊璟、張淇鑫、喬志強、田欣、李建彬、張琳、陸鵬飛、
賴昌偉。
本文件及其所代替文件的歷次版本發(fā)布情況為：
—1987年首次發(fā)布為GB/T7357—1987，1998年第一次修訂，2010年第二次修訂；
—本次為第三次修訂。
Ⅲ
GB/T7357—2025/IEC60092?202：2016
船舶電氣設(shè)備系統(tǒng)設(shè)計保護
1范圍
本文件適用于船舶電氣設(shè)備的電氣保護系統(tǒng)的主要特性要求。
2規(guī)范性引用文件
下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中，注日期的引用文
件，僅該日期對應(yīng)的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用
于本文件。
GB/T14048.2—2020低壓開關(guān)設(shè)備和控制設(shè)備第2部分：斷路器（IEC60947?2：2019，
MOD）
注：GB/T14048.2—2020被引用的內(nèi)容與IEC60947?2：2019被引用的內(nèi)容沒有技術(shù)上的差異。
IEC60909（所有部分）三相交流系統(tǒng)短路電流計算（Short?circuitcurrentcalculationin
three?phasea.c.systems）
注：GB/T15544（所有部分）三相交流系統(tǒng)短路電流計算[IEC60909（所有部分）]
IEC60909?0三相交流系統(tǒng)短路電流計算第0部分：電流計算（Short?circuitcurrentcalcula?
tioninthree?phasea.c.systems—Part0：Calculationofcurrents）
注：GB/T15544.1—2023三相交流系統(tǒng)短路電流計算第1部分：電流計算（IEC60909?0：2016，MOD）
IECTR60909?1三相交流系統(tǒng)短路電流計算第1部分：短路電流計算應(yīng)用的系數(shù)（Short?cir?
cuitcurrentcalculationinthree?phasea.c.systems—Part1：Factorsforthecalculationofshort?circuit
currents）
注：GB/T15544.2—2017三相交流系統(tǒng)短路電流計算第2部分：短路電流計算應(yīng)用的系數(shù)（IECTR60909?1：2002，
IDT）
IEC61140
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