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رله و حفاظت-آنچه يك مهندس برق بايد بداند - مقايسه نحوه نمايش فانكشنهاي حفاظتي در ANSI , IEC
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به زودي فايلهاي ذيل آپلود مي شوند(در حال تهيه HOST براي آپلود فايلها هستم):

دانلود فايل جزوه دوره آموزشي فارسي  48 ساعته طراحي پلنت صنعتي با نرم افزار ETAP +نرم افزار ETAP 7.5

دانلود فايل جزوه دوره آموزشي فارسي رله و حفاظت به مدت  40 ساعت

دانلود فايل جزوه دوره آموزشي فارسي طراحي تابلو برق MV LV به مدت  36 ساعت

دانلود فايل جزوه دوره اموزشي فارسي طراحي پستهاي فشار قوي بخش HV+ بخش LV مجموعا 60 ساعت

دانلود فايل جزوه دوره آموزشي فارسي طراحي سيستمهاي روشنايي + آموزش ديالوكس مجموعا 24 ساعت

دانلود فايل جزوه دوره آموزشي فارسي نظام مهندسي برق ساختمان 30 ساعت + مباحث 5 گانه + نمونه سوالات حل شده

دانلود فايل جزوه دوره آموزشي فارسي اموزش سيستمهاي جريان ضعيف 24 ساعت : آنتن دوربين مداربسته

دانلود فايل جزوه دوره آموزشي فارسي طراحي ارتينگ و صاعقه گير 30 ساعت + نرم افزار indelec

دانلود فايل جزوه دوره آموزشي فارسي طراحي UPS و محاسبات باتري 48 ساعت + نرم افزار SAFT

دانلود فايل جزوه دوره آموزشي فارسي طراحي تاسيسات الكتركي 40 ساعت

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ANSI IEC 60617 Description
21FL FLOC Fault locator
21G Z< Three-phase underimpedance protection, low-set stage
24 U/f> Overexcitation, low-set stage
24 U/f>> Overexcitation, high-set stage
25 SYNC Synchro-check/ voltage check, stage 1
25 SYNC Synchro-check/ voltage check, stage 2
27 3U< Three-phase undervoltage, low-set stage
27 3U<< Three-phase undervoltage, high-set stage
27, 47, 59 U1< U2> U1> Phase-sequence voltage protection, stage 1
27, 47, 59 U1< U2> U1> Phase-sequence voltage protection, stage 2
32 P← Three-phase underpower or reverse power, stage 1
32 P← Three-phase underpower or reverse power, stage 2
32 P← Three-phase underpower or reverse power, stage 3
32P/32Q P>→/Q>→ Three-phase directional overpower, stage 1
32P/32Q P>→/Q>→ Three-phase directional overpower, stage 2
32P/32Q P>→/Q>→ Three-phase directional overpower, stage 3
37 3I< Three-phase non-directional undercurrent, stage 1
37 3I< Three-phase non-directional undercurrent, stage 1
37 3I< Three-phase non-directional undercurrent, stage 2
40 X< Three-phase underexcitation protection, low-set stage
40 X<< Three-phase underexcitation protection, high-set stage
46 I2> Negative-phase sequence, low-set stage
46 I2>> Negative-phase sequence, high-set stage
46 ΔI> Phase discontinuity
46R Phase reversal protection
48, 14, 66 Is²t, n< Three-phase start-up supervision for motors (incl. I2t and speed device modes, and start-up counter)
49F 3Ith> Three-phase thermal protection for cables
49M/49G/49T Three-phase thermal protection for devices (motors, generators and transformers)
50N I0>>> Non-directional earth-fault, instantaneous stage
50N/51N I0>> Non-directional earth-fault, high-set stage
50P/51P 3I>>> Three-phase non-directional overcurrent, instantaneous stage
51 3I> Three-phase non-directional overcurrent, low-set stage
51C, 37C, 68C 3I> 3I< Three-phase overload protection for shunt capacitor banks
51N I0>/SEF Non-directional earth-fault, low-set stage (or SEF=sensitive earth-fault protection)
51NC 3ΔI> Three-phase current unbalance protection for H-bridge connected shunt capacitor banks
51NC ΔI> Current unbalance protection for shunt capacitor banks
51P-1 3I> Three-phase non-directional overcurrent, low-set stage
51V I(U)> Voltage-dependent overcurrent, low-set stage
51V I(U)>> Voltage-dependent overcurrent, high-set stage
551P-2 3I>> Three-phase non-directional overcurrent, high-set stage
59 3U> Three-phase overvoltage, low-set stage
59 3U>> Three-phase overvoltage, high-set stage
59N U0> Residual overvoltage, low-set stage
59N U0>> Residual overvoltage, High-set stage
59N U0>>> Residual overvoltage, instantaneous stage
60 FUSEF Fuse failure supervision
67-1 3I>→ Three-phase directional o/c, low-set stage
67-2 3I>>→ Three-phase directional o/c, high-set stage
67 3I>>>→ Three-phase directional o/c, instantaneous stage
67N I0>>>→ Directional earth-fault, instantaneous stage
67N I0>>→ Directional earth-fault, high-set stage
67N I0>→ Directional earth-fault, low-set stage
67N/51N I0>→ /SEF Directional earth-fault, low-set stage (or SEF=sensitive earth-fault protection)
68 3I2f> Three-phase transformer inrush and motor start-up current detector
79 0 → 1 Auto-reclosure
81U/81O f, df/dt Underfrequency or overfrequency, stage 1 (incl. rate of change)
87G 3DI> Stabilized three-phase differential protection for generators
87G/87M 3DI> High-impedance or flux-balance based differential protection for generators and motors
87N ΔI0>, REF High-impedance based restricted earth-fault
87T 3ΔI>, 3ΔI>> Stabilized three-phase differential protection for transformers
87TN ΔI0> Stabilized restricted earth-fault, stage A
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