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10—dc and ac circuit formulas

Chapter 10  DC machines and drives

Chapter 10 DC machines and drives

Điện - Điện tử

... 400 DC MACHINES AND DRIVES + i a AC supply va – (a) + i a va AC supply – (b) + i a va AC supply – (c) + ia va AC supply AC supply – (d) Figure 10.6-2 Typical three-phase, phase-controlled ac/ dc ... Figure 10.2-3, positive currents enter the top brush and flow down the rotor via a1 and back through a1 ; down a2 ′ and back through a2; down a3 and back through a3 to the bottom brush A parallel ′ ... the output of this comparator (L) is high, S1 and S2 are closed and S3 and S4 are open; when L is low, S3 and S4 are closed and S1 and S2 are open The action of this type of current control is illustrated...
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AN0717   building a 10 bit bridge sensing circuit using the PIC16C6XX and MCP601 operational amplifier

AN0717 building a 10 bit bridge sensing circuit using the PIC16C6XX and MCP601 operational amplifier

Cao đẳng - Đại học

... will result in a conversion that has a wider dynamic range, consequently, lower accuracy To counteract this, the accuracy can be improved if more samples are taken in the conversion process This ... for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 The Company’s quality system processes and procedures are QS-9000 compliant for ... high At this point, RA3 is set high and the cycle repeats While the modulator section of this circuit is cycling, two counters are used to keep track of the time and of the number of ones versus...
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E 7 Unit 10: Health and hygiene

E 7 Unit 10: Health and hygiene

Tư liệu khác

... like …………… Work in pairs Ask your partner what would he/she like? Group works: Ask each partner in your groups and copy down in this table: Names a What food would you like? b What drinks would ... Answers these questions: Are you hungry? Do you want to have some food and drinks? What would you like? New words: apple orange banana water rice milk meat vegetables ... friends would like • Write a short passage to tell what you would like for meals • List 10 more food and drinks Bài thuyết minh • I Mục tiêu: • Sau tiết học này, học sinh có thể: * Gọi tên số đồ ăn,...
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Bài 10: LỰC ĐẨY ÁC- SI- MÉT

Bài 10: LỰC ĐẨY ÁC- SI- MÉT

Tư liệu khác

... 1: Đo P1 cốc, vật P1 = ? Công thức tính độ lớn lực đẩy Acsimet: Bước 2: Nhúng vật vào bình tràn đựng đầy nước, F = F = d.V nước tràn raAcốc dB Đo trọng lượng P2 = ? đó: Bước d: :trọng lượng P2...
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Unit 10: Health and hygiene

Unit 10: Health and hygiene

Tiếng anh

... WHO meeting You are introducing the actual situation of toothache in HoChiMinh city and the dental campaign activities You have to read the text carefully and answer these following questions ... activities  - Collect information - Design a powerpoint show for lecture - Design a poster to broadcast the dental campaign activities - Design a website for receiving feedback information and ... you have tooth decay?  Practice B4 p.105  Example:  Minh’s tooth hurts  Why?  Because he has a cavity DO DON’T BRUSH YOUR TEETH AFTER MEALS EAT TOO MUCH CANDY AND CAKE CHECK THE TEETH REGULARLY...
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Bài 10: Lực đẩy Ác-si-mét

Bài 10: Lực đẩy Ác-si-mét

Vật lý

... Trời Ông hậu thuẫn từ gia đình Ông thông minh , ông thấy Syracuse không thoả mãn hết khao khát học tập nên xin gia đình đến Alexandriae miền đất tri thức , trung tâm kinh tế văn hoá Ai Cập cổ ... ông nhỏ - Năm 11 tuổi , ông trốn gia đình theo tàu đến Alexandriae, gia đình biết tin không ngạc nhiên hiểu đam mê Cha ông đến Alexandriae với ông đưa ông đến gặp Euclide ( bậc thầy toán học ... 136000 x 0.76 = 103360 N/m2 - Archimède sinh năm 287 trước Công Nguyên , sinh sống thành phố Syracuse thuộc Hy Lạp cổ ( nước Ý ) Ông nhà vật lý , nhà toán học kỹ sư lỗi lạc thời Hy lạp cổ - Cha...
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Unit 10: Listen and read

Unit 10: Listen and read

Tiếng anh

... _ in 1964 claimed they were captured by aliens and f) In 1971, two men _ taken aboard a spacecraft and his plane disappeared after sighting a UFO g) A pilot ... an hour to the left and north of Mount Rainer What did happen in 1952 ? There were more than 1,500 UFO sightings around the world Who saw aliens in the spacecraft ? A woman and her children ... Nicolai live ? In the south east of France I’m sorry ! You have chosen a sad face I’m sorry ! You have chosen a sad face • Write the notes on page 84 in your notebook • Summarize the evidence...
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unit 10: Listen and read

unit 10: Listen and read

Tiếng anh

... egg-shaped object in one of his fields and also aliens collecting soil samples f- claimed they were captured by aliens and taken aboard a spacecraft g- .and his plane disappeared after sighting ... Unit 10 Life on other planets Period 63: Listen and read I- Vocabulary 1- (an) alien (n): người hành tinh khác 2- (a) spacecraft (n): tàu vũ trụ 3- (a) meteor (n): bng 4- evidence ... II-Reading 1-In 1947, an experienced pilot in the USA saw nine large round objects 2-In 1954, a woman and her children saw a UFO above their house 3-In 1964, a farmer saw an egg-shaped object in one...
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English 9-Unit 10. Speak and Listen

English 9-Unit 10. Speak and Listen

Tiếng anh

... Creature (n): sinh vật Trace (of) (n): dấu vết 10 b, Practice the dialogues with a partner A: What are these drawings say ? B: There might be water in Mars There may be traces of water in Mars ... quý 5.Creature (n): sinh vật 10 b,Practice the dialogues with a partner A: What are these drawings say ? B: There might be water in Mars There may be traces of water in Mars * Vocabulary Drawing ... What happened in 1947 ? How many UFO sightings were there in the world in 1952 ? When did a woman and her children see a UFO above their house ? What did a farmer see in his farm in 1964 ? What...
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unit 10 - listen and read - lop 9

unit 10 - listen and read - lop 9

Tiếng anh

... _ in 1964 claimed they were captured by aliens and f) In 1971, two men _ taken aboard a spacecraft and his plane disappeared after sighting a UFO g) A pilot ... Existence (n) Evidence (n) UNIT 10: LIFE ON OTHER PLANETS Getting started: Listen and Read: * Vocabulary: spacecraft (n) aircraft (n) meteor (n) = Falling stars/ shooting stars alien (n) - weather ... some information about Mars and Moon 1 What did Kenneth Arnold see in 1947 ? He saw nine large round objects traveling at about 2,800 meters an hour to the left and north of Mount Rainer What...
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Bài tập ngữ pháp 10 NC and CB

Bài tập ngữ pháp 10 NC and CB

Tiếng anh

... Trong trường hợp có liên từ and giới từ of, ta phải xác đònh đầy đủ chủ từ túc từ chuyển đổi Ex:- Active: He and I see the film  Passive: The film is seen by him and me - Active: He bought a box ... V3/ed + (by O) + …… Ex: - Active: They have built a new bridge across the river S Aux V O  Passive: A new bridge has been built across the river (by them) S Aux be V3 by O - Active: Mai was watching ... WHERE: thay cho cụm từ nơi chốn: there, at that place Ex: - The movie theater is the place We can see films at that place  The movie theater is the place where we can see films WHY: thay cho cụm...
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UNIT 10: Speak and listen

UNIT 10: Speak and listen

Tiếng anh

... vegetable matter B meat or grain products b) Where is the best place for a compose heap A a place that get no sun B a place that get sun and shade c) Should you water the compost? A Yes B No d) How ... vegetable matter B meat or grain products b) Where is the best place for a compose heap A a place that get no sun B a place that get sun and shade c) Should you water the compost? A Yes B No d) How ... I Speaking activity Paper Plastic Lether Kinds of garbage Farbric Metal Glass Vegetable matter Name the garbage Paper, old or used newspaper, shoes, sandals, clothes, fruits peels,...
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bài 10- Lực đẩy Ác si mét

bài 10- Lực đẩy Ác si mét

Vật lý

... vật chiếm chỗ.(m ) III Vận dụng C5 Một thỏi nhôm thỏi thép tích nhúng chìm nước Thỏi chịu lực đẩy Ac- si-mét lớn hơn? Hai thỏi nhôm thép chịu tác dụng lực đẩy Ác-si-mét Vì lực đẩy Ác-si-mét phụ thuộc ... nhau, mộtlực đẩy Ác-si-mét chìm nhúng chìm dầu lớn thỏi nước, thỏi nhúng chìm dầu Thỏi chịu lực đẩy Ac- si-mét lớn hơn? Vì lực đẩy Ác-si-mét phụ thuộc vào trọng lượng riêng chất lỏng mà dnước > ddầu ... nêu phương án thí nghiệm dùng cân vẽ hình 10.4 thay cho lực kế để kiểm tra dự đoán độ lớn lực đẩy Ac- si-mét Bài 10: LỰC ĐẨY ÁC-SI-MÉT I Tác dụng chất lỏng lên vật nhúng chìm * Kết luận: Một vật...
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