Live Covid-19
United States 84,799,040
Cases: 84,799,040
Deaths: 1,028,337
Recovered: 81,491,282
Active: 2,279,421
India 43,131,135
Cases: 43,131,135
Deaths: 524,303
Recovered: 42,589,841
Active: 16,991
Brazil 30,752,226
Cases: 30,752,226
Deaths: 665,491
Recovered: 29,746,640
Active: 340,095
France 29,291,146
Cases: 29,291,146
Deaths: 147,715
Recovered: 28,448,088
Active: 695,343
Germany 26,013,283
Cases: 26,013,283
Deaths: 138,488
Recovered: 24,425,500
Active: 1,449,295
United Kingdom 22,232,377
Cases: 22,232,377
Deaths: 177,890
Recovered: 21,791,382
Active: 263,105
Russia 18,278,617
Cases: 18,278,617
Deaths: 378,072
Recovered: 17,670,628
Active: 229,917
South Korea 17,914,957
Cases: 17,914,957
Deaths: 23,885
Recovered: 17,271,891
Active: 619,181
Italy 17,178,199
Cases: 17,178,199
Deaths: 165,738
Recovered: 16,119,286
Active: 893,175
Turkey 15,060,112
Cases: 15,060,112
Deaths: 98,918
Recovered: 14,957,668
Active: 3,526
Spain 12,179,234
Cases: 12,179,234
Deaths: 105,642
Recovered: 11,588,576
Active: 485,016
Vietnam 10,704,524
Cases: 10,704,524
Deaths: 43,073
Recovered: 9,382,881
Active: 1,278,570
Argentina 9,135,308
Cases: 9,135,308
Deaths: 128,776
Recovered: 8,895,999
Active: 110,533
Japan 8,474,651
Cases: 8,474,651
Deaths: 30,175
Recovered: 8,096,825
Active: 347,651
Netherlands 8,074,152
Cases: 8,074,152
Deaths: 22,301
Recovered: 8,004,179
Active: 47,672
Iran 7,229,354
Cases: 7,229,354
Deaths: 141,253
Recovered: 7,028,491
Active: 59,610
Australia 6,843,669
Cases: 6,843,669
Deaths: 8,009
Recovered: 6,370,466
Active: 465,194
Colombia 6,095,316
Cases: 6,095,316
Deaths: 139,821
Recovered: 5,928,829
Active: 26,666
Indonesia 6,051,850
Cases: 6,051,850
Deaths: 156,510
Recovered: 5,891,574
Active: 3,766
Poland 6,004,786
Cases: 6,004,786
Deaths: 116,242
Recovered: 5,335,196
Active: 553,348
Mexico 5,752,441
Cases: 5,752,441
Deaths: 324,617
Recovered: 5,050,420
Active: 377,404
Ukraine 5,009,301
Cases: 5,009,301
Deaths: 108,497
Recovered:
Active: 4,900,804
Malaysia 4,485,419
Cases: 4,485,419
Deaths: 35,633
Recovered: 4,419,997
Active: 29,789
Thailand 4,401,378
Cases: 4,401,378
Deaths: 29,681
Recovered: 4,312,790
Active: 58,907
Austria 4,225,674
Cases: 4,225,674
Deaths: 18,328
Recovered: 4,156,309
Active: 51,037
Belgium 4,127,123
Cases: 4,127,123
Deaths: 31,656
Recovered: 3,972,851
Active: 122,616
Israel 4,117,079
Cases: 4,117,079
Deaths: 10,826
Recovered: 4,083,611
Active: 22,642
Portugal 4,066,674
Cases: 4,066,674
Deaths: 22,583
Recovered:
Active: 4,044,091
Czechia 3,917,289
Cases: 3,917,289
Deaths: 40,260
Recovered: 3,873,501
Active: 3,528
South Africa 3,915,258
Cases: 3,915,258
Deaths: 100,898
Recovered: 3,733,569
Active: 80,791

Design Procedure and Development of a 100KW Solar Power Inverter for off-grid Industrial Use

Design Procedure and Development of a 100KW Solar Power Inverter for off-grid Industrial Use

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  • March 3, 2021
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ABSTRACT

A solar power inverter, or converter, also known as PV inverter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electric network. Solar panels generate free power from the sun by converting sunlight to electricity with no moving parts, zero emissions and no maintenance. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking (MPPT), to get the maximum power from the PV array, and anti-islanding protection. Islanding refers to the condition in which a distributed generator (DG) continuous to power a location even though electrical grid power from the electric utility is no longer present. Electrical inverters are devices which convert direct current (DC) to alternating current (AC) such that it matches the voltage, frequency and phase of the power line it connects to. There are numerous technical requirements to the accuracy of this tracking.

James Arthur

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