asg 4 motor starting and protection

... 4. 4 Motors protection 4. AC motors starting and protection systems 76 4. 4 Motors protection Every electric motor has operating limits. Overshooting these limits will eventually destroy it and ... 74 4 .4 Motors protection 76 4. 5 Motor losses and heating 77 4. 6 Causes of faults and their effects 77 4. 7 Protection functions 83 1 2 3 4 5 6 7 8 9 10 11 12 M...

Ngày tải lên: 15/02/2014, 08:38

... 90.2 ± 7.63 3.0 62.8 ± 14. 3 63.2 ± 10.8 83.5 ± 12.5 *a 64. 4 ± 8.50 *b 4. 0 27.8 ± 5.16 31.3 ± 7. 64 51.5 ± 13.3 **a 37.3 ± 6 .43 *b 5.0 21.3 ± 7.50 22.3 ± 9 .49 40 .6 ± 8.71 a 23.8 ± 9.82 ... ±3.28 27 .4 ± 6. 34 ***a 14. 2 ± 2.00 ***b 7.0 5.18 ± 1.90 6.79 ±2.22 16.2 ± 3.61 ***a 9.05 ± 2.00 ***b 8.0 2.88± 1.78 2.51 ± 0.86 9.07 ± 2.60 ***a 3.96±1. 54 ***b 9.0 1....

Ngày tải lên: 25/10/2012, 11:40

... of Nordland,TromsandFinnmark, the northernmost Swedish and Finnish län Norrbotten, Västerbotten, Lappland and Oulu – and Murmansk and Arkhangelsk oblasti as well as the Karelian Republic and NenetsAutonomousarea,all ... in general Birnie and Boyle, International Law and the Environment, pp. 97ff; and Sands, Principles of International Environmental Law, pp. 208–12. 47 See in...

Ngày tải lên: 01/11/2013, 09:20

... 1 - 4 CCNA 2: Routers and Routing Basics v 3.0 - Lab 4. 1 .4 Copyright  2003, Cisco Systems, Inc. Lab 4. 1 .4 Copying, Editing, and Pasting Configurations ... 56000 192.168.15.1 192.168. 14. 1 255.255.255.0 Router 2 BHM DTE Not set 192.168.15.2 192.168.16.1 255.255.255.0 2 - 4 CCNA 2: Routers and Routing Basics v 3.0 - Lab 4. 1 .4 Copyright  2003, Cisco ... logo...

Ngày tải lên: 05/11/2013, 12:15

... 2) • LiF Li = +1, (Rule 4a) & F = -1, (Rule 5) • CO 2 O = -2, (Rule 5) & C = +4, (Rule 3a) • SO 4 2- O = -2, (Rule 5) & S = +6, (Rule 3b) • Na 2 O 2 Na = +1, (Rule 4a) & O = -1, (Rule ... oxidation state decreases during a reaction CH 4 + 2 O 2 → CO 2 + 2 H 2 O -4 +1 0 +4 –2 +1 -2 oxidation reduction Tro, Chemistry: A Molecular Approach 43 Salt vs. Sugar Dissolve...

Ngày tải lên: 28/11/2013, 01:11

... Domain 34 Lab B: Setting Up and Administering Groups in a Single Domain 39 Troubleshooting Domain User Accounts and Groups 46 Best Practices 47 Review 48 Module 4: Setting Up and Administering ... account has a user logon name, and a pre- Windows 2000 user logon name. 44 Module 4: Setting Up and Administering Users and Groups Exercise 3 Using Global and Do...

Ngày tải lên: 10/12/2013, 16:15

... V, voltmeter E. Protopopoff and P. Marcus, Potential Measurements with Reference Electrodes, Corrosion: Fundamentals, Testing, and Protection, Vol 13A, ASM Handbook, ASM International, 2003, ... Corrosion: Fundamentals, Testing, and Protection, Vol 13A, ASM Handbook, ASM International, 2003, p 17–-30 Potential versus pH (Pourbaix) Diagrams E. Protopopoff and P. Marcus, CNRS, E...

Ngày tải lên: 13/12/2013, 04:15

... Johnson (1 948 –1951) (Member 1 944 –1951) L.J. Korb (1983) (Member 1978–1983) R.W.E. Leiter (1962–1963) (Member 1955–1958, 1960–19 64) G.V. Luerssen (1 943 –1 947 ) (Member 1 942 –1 947 ) G.N. Maniar ... 1. Metals—Handbooks, manuals, etc. 2. Metal-work—Handbooks, manuals, etc. I. ASM International. Handbook Committee. II. Metals Handbook. TA459.M43 1990 620.1′6 90-115 SAN: 2 04-...

Ngày tải lên: 13/12/2013, 04:15

Ngày tải lên: 17/12/2013, 15:18