逆变器中交流、直流侧的保险丝，必须要安装吗？

清水白菜

广东安规检测
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小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

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各种灯头量规现货

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GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

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家电温升测试角

针焰试验机现货

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家电125mm试验指

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无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

直流侧可有可无，通过short test评估就OK；
* d( c, |7 m# X! G交流侧就看你设计了，要样机里没有，需在说明书中说明装机时交流侧用的外置Fuse的Rating，相关要求如下（IEC 62109-1）：
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4.4.4.5 Output short circuit
: n4 f: ]* Y/ I- h3 C4 }6 yEach power output port of the PCE, and each section of a tapped output, shall be tested one
+ l' ^# P3 U3 ]( a1 d: b0 |  c8 o2 hat a time, to simulate short circuits in the load or wiring. Overcurrent protection devices as
provided in the PCE or as specified in the installation instructions, shall be fitted during the
test. All other outputs are loaded or not loaded, whichever load condition of normal use is less
favorable.
Testing is required to be performed on all combinations of terminals for the port under
* x. R# p+ O) ]consideration, two at a time, including neutral and earth terminals, and one test with all
current-carrying terminals of the port shorted together at once. Where analysis shows that the
! s- v0 B) [4 X* H$ Z, ktest for one combination is representative of other combinations, tests may be omitted.
In addition to the requirements of 4.4.3, the short-circuit currents are to be recorded and if
2 r1 i/ F% ~! S$ G% [) Rthey exceed the maximum rated current of the circuit, the maximum measured current shall be
provided in the installation manual for the purpose of coordination of overcurrent protection of
& Z( O9 [4 x7 C5 B" N" [the external circuit conductors (see 5.3.2).
% i% A; Q( l! W) h( B9 C7 b  O; l8 f" `The value(s) to be recorded and to be provided with the PCE instructions are the peak
, M: O, O2 |, M3 B2 E' gcurrent, and the highest of the RMS current values measured or calculated over a time period
* ?5 C6 q2 E6 E9 O4 k1 L$ Zas follows:
8 Y' M1 x& I' a4 ca) for AC signals, 3 cycles of the nominal AC frequency for the port under consideration, in
( K: X" V# g9 B1 @7 Uwhich case the value is to be stated as the 3-cycle RMS value;
b) for all signals, the duration of the short circuit from the time the short circuit is applied, until
the time the short circuit current is interrupted by a protective device or other mechanism, in
5 W5 j$ N/ G5 r0 E! ~( J& pwhich case the value stated is to include the RMS value and the time period in seconds;
c) for short circuit tests that result in a continuous non-zero value, the steady-state RMS
value, in which case the value is to be stated as a continuous RMS value.
3 W% _7 w* e' J+ \: G* Q9 i# x1 @NOTE Where the intended use of the short-circuit current information requires a different type of measurement,
" X1 E+ {7 V+ m& U' jadditional data may be provided. For example, for AC mains fault current contribution some utilities may prefer a
¼-cycle RMS or other RMS calculation to the 3-cycle RMS above.