1. Trang chủ
  2. » Luận Văn - Báo Cáo

Giáo trình đo lường điện - Phần 1

65 13 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 65
Dung lượng 747,85 KB

Các công cụ chuyển đổi và chỉnh sửa cho tài liệu này

Nội dung

'R FҩX WҥR FӫD F{QJ Wѫ FXӝQ GzQJ ÿLӋQ Gk\ WR tW YzQJ Yj FXӝQ ÿLӋQ iS Gk\ QKӓ QKLӅXYzQJKѫQQrQNKLGQJ2KPNӃÿӇÿRNLӇPVӁÿѭӧFNӃWTXҧ5 DÒNG << R ÁP. Chú ý: 0XӕQSKpSÿRÿѭӧFFKtQK[iFNKLÿRSKҧLK[r]

Trang 1

GIÁO TRÌNH

Trang 2

1KѭYұ\F{QJYLӋFÿROѭӡQJOjQӕLWKLӃWEӏÿRYjRKӋWKӕQJÿѭӧFNKҧRViWYjTXan ViWNӃWTXҧÿRÿѭӧFFiFÿҥLOѭӧQJFҫQWKLӃWWUrQWKLӃWEӏÿR7URQJWKӵFWӃUҩWNKy[iFÿӏQKµ¶WUӏVӕWKӵF¶¶FӫDÿҥLOѭӧQJÿR9uYұ\WUӏVӕÿRÿѭӧFFKREӣLWKLӃWEӏÿRJӑLOjWUӏVӕWLQFk\ÿѭӧF H[SHFWHGYDOXH 

%ҩWNǤÿҥLOѭӧQJÿRQjRFNJQJEӏҧQK KѭӣQJEӣLQKLӅXWK{QJVӕ'RÿyNӃWTXҧÿRtWNKLSKҧQiQKÿ~QJWUӏVӕWLQFұ\ÿѭӧF&KRQrQFyQKLӅXKӋVӕҧQKKѭӣQJWURQJÿROѭӡQJOLrQTXDQÿӃQWKLӃWEӏÿR1JRjLUDFyQKӳQJKӋVӕNKiFOLrQTXDQÿӃQFRQQJѭӡLVӱGөQJWKLӃWEӏÿR1KѭYұ\ÿӝFKtQK[iFFӫDWKLӃWEӏÿRÿѭӧFGLӉQWҧGѭӟLKLQKWKӭFVDLVӕ

1.1 KiLQLӋPYӅÿROѭӡQJÿLӋQ

7URQJWKӵFWӃFXӝFVӕQJTXiWUuQKFkQÿRÿRQJÿӃPGLӉQUDOLrQWөFYӟLPӑLÿӕLWѭӧQJ YLӋF FkQ ÿR ÿRQJ ÿӃP Qj\ Y{ FQJ FҫQ WKLӃW Yj TXDQ WUӑQJ 9ӟL PӝW ÿӕLWѭӧQJFөWKӇQjRÿyTXiWUuQKQj\GLӉQUDWKHRWӯQJÿһFWUѭQJFӫDFKӫQJORҥLÿyYjYӟLPӝWÿѫQYӏÿmÿѭӧFÿӏQKWUѭӟF

7URQJOƭQKYӵFNӻWKXұWÿROѭӡQJNK{QJFKӍWK{QJEiRWUӏVӕFӫDÿҥLOѭӧQJFҫQÿRPjFzQOjPQKLӋPYөNLӇPWUDÿLӅXNKLӇQYj[ӱOêWK{QJWLQ

ĈӕL YӟL QJjQK ÿLӋQ YLӋF ÿR OѭӡQJ FiF WK{QJ Vӕ FӫD PҥFK ÿLӋQ Oj Y{ FQJ TXDQWUӑQJ1yFҫQWKLӃWFKRTXiWUuQKWKLӃWNӃOҳSÿһWNLӇPWUDYұQKjQKFNJQJQKѭGzWuPKѭKӓQJWURQJPҥFKÿLӋQ

ĈROѭӡQJOjTXiWUuQKVRViQKÿҥLOѭӧQJFKѭDELӃWYӟLÿҥLOѭӧQJÿmELӃWFQJORҥLÿѭӧFFKӑQOjPPүX PүXQj\ÿѭӧFJӑLOjÿѫQYӏ 

6ӕÿROjNӃWTXҧFӫDTXiWUuQKÿRNӃWTXҧQj\ÿѭӧFWKӇKLӋQEҵQJPӝWFRQVӕFөWKӇ

'өQJFөÿR YjPүXÿR:

D'өQJFөÿR

&iFGөQJFөWKӵFKLӋQYLӋFÿRÿѭӧFJӑLOjGөQJFөÿRQKѭGөQJFөÿRGzQJÿLӋQ $PSHPpW GөQJFөÿRÿLӋQiS 9{QPpW GөQJFөÿRF{QJVXҩW 2iWPpW YY

E0үXÿROjGөQJFөGQJÿӇNK{LSKөFPӝWÿҥLOѭӧQJYұWOêQKҩWÿӏQKFyWUӏVӕFKRWUѭӟFPүXÿRÿѭӧFFKLDOjPORҥLVDX

Trang 3

- /RҥLOjPPүXGQJÿӇNLӇPWUDFiFPүXÿRYjGөQJFөÿRNKiFORҥLQj\ÿѭӧFFKӃWҥRYjVӱGөQJWKHRWLrXFKXҭQNӻWKXұWÿҧPEҧROjPYLӋFFKtQK[iFFDR

- /RҥLF{QJWiFÿѭӧFVӱGөQJÿROѭӡQJWURQJWKӵFWӃORҥLQj\JӗPQKyPVDX0үXÿRYjGөQJFөÿRWKtQJKLӋP

0үXÿRYjGөQJFөÿRGQJWURQJVҧQ[XҩW

&iFSKѭѫQJSKiSÿR ÿѭӧFFKLDOjPORҥL

D3KѭѫQJSKiSÿRWUӵFWLӃS OjSKѭѫQJSKiSÿRPjÿҥLOѭӧQJFҫQÿRÿѭӧFVRViQKWUӵFWLӃSYӟLPүXÿR

3KѭѫQJSKiSQj\ÿѭӧFFKLDWKjQKFiFKÿR

- 3KѭѫQJSKiSÿRÿӑFVӕWKҷQJ

- PKѭѫQJSKiSÿRVRViQKOjSKѭѫQJSKiSPjÿҥLOѭӧQJFҫQÿRÿѭӧFVRViQKYӟLPүXÿRFQJORҥLÿmELӃWWUӏVӕ

6DLVӕYjWtQKVDLVӕ

6DLVӕ

.KLÿRVӕFKӍFӫDGөQJFөÿRFNJQJQKѭNӃWTXҧWtQKWRiQOX{QFyVӵVDLOӋFKYӟLJLiWUӏWKӵFFӫDÿҥLOѭӑQJFҫQÿR/ѭӧQJVDLOӋFKQj\JӑLOjVDLVӕ

Trang 4

ĈRO˱ͥQJÿL͏n

B͡ môn Cung C̭SĈL͏n Trang 7

- 'QJF{QJWKӭFWtQKWRiQNK{QJWKtFKKӧSGQJF{QJWKӭFJҫQÿ~QJWURQJWtQKWRiQ1KLӋWÿӝP{LWUѭӡQJWKD\ÿәLFKӏXҧQKKѭӣQJFӫDÿLӋQWUѭӡQJWӯWUѭӡQJÿӝҭPiSVXҩWYY 

dm qd

4XDQKӋJLӳDVDLVӕWѭѫQJÿӕLYjVDLVӕTXLÿәL

d dm

dm

A

A A

A A

A

*

*

%100

Trang 5

'A =~A1- A~= 5 - 4,95 = 0,05 A

6DLVӕWѭѫQJÿӕL

% 100

% 100

1

' '

A

A A

6DLVӕTXLÿәL

%5,0

%100

*10

05,0

%100.'

dm qd

Trang 7

0Ӝ76Ӕ&Ѫ&Ҩ8Ĉ2&+ӌ7+ӎ.,0

*LӟLWKLӋX

+LӋQQD\NKRDKӑFNӻWKXұWUҩWSKiWWULӇQ1JѭӡLWDÿmFKӃWҥRUDÿѭӧFQKLӅXWKLӃWEӏÿROѭӡQJÿLӋQWӱFKӍWKӏNӃWTXҧÿREҵQJKLӋQVӕFyÿӝFKtQK[iFFDR7X\QKLrQFiFWKLӃWEӏÿROѭӡQJVӱGөQJFѫFҩXFKӍWKӏNӃWTXҧÿREҵQJNLPYүQÿѭӧFVӱGөQJUҩWSKәELӃQWURQJFiF[tQJKLӋSWUѭӡQJKӑFFNJQJQKѭWURQJFiFSKzQJWKtQJKLӋPYuWtQKѭXYLӋWFӫDQy&iFWKLӃWEӏÿROѭӡQJVӱGөQJFѫFҩXÿRFKӍWKӏNLPÿѭӧFGQJQKLӅXQKҩWOj9{QPpWYj$PSHPpWKѫQWKӃQӳDFiFFѫFҩXQj\WKDRWiFVӱGөQJÿѫQJLҧQYjJLiWKjQKFNJQJUҿKѫQUҩWQKLӅXVRYӟLFiFWKLӃWEӏÿROѭӡQJFKӍWKӏNӃWTXҧÿROѭӡQJEҵQJKLӋQVӕ9uYұ\QJѭӡLF{QJQKkQFҫQKLӇXU}FҩXWҥRQJX\rQOêKRҥWÿӝQJFNJQJQKѭVӱGөQJWKjQKWKҥRFiFFѫFҩXÿRFKӍ WKӏNLP

1JX\rQWҳFFKXQJFӫDFiFORҥLPi\ÿRFKӍWKӏNLP

+LӋQQD\WDFKӍKӑFFiFFѫFҩXFKӍWKӏNӃWTXҧÿREҵQJNLPFzQFiFFѫFҩXFKӍWKӏNӃWTXҧÿREҵQJVӕÿѭӧFÿӅFұSWURQJSKҫQWKLӃWEӏÿROѭӡQJFKӍWKӏVӕ

ĈӕLYӟLFiFFѫFҩXFKӍWKӏNLPNKLWKӵFKLӋQPӝWSKpSÿROX{QWXkQWKHRWUuQKWӵsau:

7tQKLӋXFӫDÿҥLOѭӧQJFҫQÿRÿѭӧFÿѭDYjRPҥFKÿRYjÿѭӧFELӃQÿәLWKjQKÿҥLOѭӧQJÿLӋQÿҥLOѭӧQJÿLӋQQj\ÿѭӧFÿѭDYjRFѫFҩXÿRYjNӃWTXҧÿRÿѭӧFÿѭDUDNKӕLFKӍWKӏVѫÿӗÿѭӧFKuQKWKjQK

0ҥFKÿROjNKkXJLDF{QJWK{QJWLQÿRVDXFKX\ӇQÿәLVѫFҩSOjPQKLӋPYөWtQKWRiQYjWKӵFKLӋQWUrQVѫÿӗPҥFK0ҥFKÿRWKѭӡQJOjPҥFKÿLӋQWӱYL[ӱOêÿӇQkQJFDRÿһFWtQKFӫDGөQJFө ÿR

&ѫFҩXFKӍWKӏÿROjNKkXFXӕLFQJFӫDGөQJFөWKӇKLӋQNӃWTXҧÿRGѭӟLGҥQJFRQVӕYӟLÿѫQYӏ

Trang 8

ĈRO˱ͥQJÿL͏Q

B͡ môn Cung C̭SĈL͏n Trang 11

3KҫQWƭQKFyQKLӋPYөELӃQÿәLÿLӋQQăQJÿѭDYjRWKjQKFѫQăQJWiFGөQJOrQSKҫQÿӝQJ

3KҫQ ÿӝQJ JҳQ OLӅQ YӟL NLP JyF TXD\ FӫD NLP [iF ÿӏQK WUӏ Vӕ FӫD ÿҥLOѭӧQJÿѭӧFÿѭDYjRFѫFҩXÿR

.KӕLFKӍWKӏ

2.1.2 Nguyên lý:

9ӟLFiFORҥLPi\ÿR FKӍWKӏNLPQrXWUrQWX\YӅFҩXWU~FFyNKiFQKDXQKѭQJFK~QJFyFKXQJPӝWQJX\rQWҳFVDX

.KLGzQJÿLӋQFKҥ\WURQJWӯWUѭӡQJVӁVLQKUDPӝWOӵFÿLӋQWӯ OӵFQj\VӁVLQKUDPӝWP{PHQTXD\OjPTXD\NLPFKӍWKӏPӝWJyFD, góc quay D FӫDNLPOX{QWӹOӋYӟLÿҥLOѭӧQJFҫQÿREDQÿҫXQrQQJѭӡLWDVӁÿRJyFOӋFKQj\ÿӇELӃWJLiWUӏFӫDÿҥLOѭӧQJFҫQÿR

&ѫFҩXÿRNLӇXWӯÿLӋQ

2.2.1 .êKLӋX

2.2.2 6ѫÿӗFҩXWҥR

.KXQJTXD\NKXQJTXD\EҵQJQK{PKuQKFKӳQKұWWUrQNKXQJ FyTXҩQGk\ÿӗQJEӑF YHFQL 7RjQ Eӝ NKӕL OѭӧQJ NKXQJ TXD\ SKҧL FjQJ QKӓ FjQJ WӕW ÿӇ VDR FKR P{PHQTXiQWtQKFjQJQKӓFjQJWӕW7RjQEӝNKXQJTXD\ÿѭӧFÿһWWUrQWUөFTXD\KRһFWUHREӣLdây treo

 1DP FKkP YƭQK FӱX NKXQJ TXD\ ÿѭӧF ÿһW JLӳD KDL FӵF Wӯ 1-S FӫD QDP FKkPYƭQKFӱX

Hình 2.2a: Ký hiӋXFѫFҩu tӯ ÿLӋn Hình 2.2b: Ký hiӋXFѫFҩu tӯ ÿLӋn

Khe hӣ cӵc tӯ

Lӓi sҳt non Ĉӕi trӑng

Trang 9

.LPFKӍWKӏÿѭӧFJҳQFKһWWUrQWUөFTXD\KRһFGk\WUHR3KtDVDXNLPFKӍWKӏFyPDQJÿӕLWUӑQJÿӇVDRFKRWUӑQJWkPFӫDNLPFKӍWKӏQҵPWUrQWUөFTXD\KRһFGk\WUHR+ Lò xRÿӕLNKiQJ NLӇPVRiW KRһFGk\WUHRFyQKLӋPYөNpRNLPFKӍWKӏYӅYӏWUtEDQÿҫXÿLӇP YjNLӇPVRiWVӵTXD\FӫDNLPFKӍWKӏ

2.2.3 6ѫÿӗQJX\rQOê

1JX\rQOêKRҥWÿӝQJ.KLFyGzQJÿLӋQFҫQÿR,ÿLYjRFXӝQGk\WUrQNKXQJTXD\VӁWiFGөQJYӟLWӯWUѭӡQJӣNKHKӣWҥRUDOӵFÿLӋQWӯ)

BSN

.

ŸD

Trang 10

.ӃWOXұQ TXDELӇXWKӭFWUrQWDWKҩ\UҵQJJyFTXD\D FӫDNLPÿRWӹOӋYӟLGzQJÿLӋQFҫQÿRYjÿӝQKҥ\FӫDFѫFҩXÿRGzQJÿLӋQYjÿӝQKҥ\FjQJOӟQWKuJyFTXD\FjQJOӟQ7ӯJyFD FӫDNLPWDVX\UDJLiWUӏFӫDÿҥLOѭӧQJFҫQÿR

K BSN

‡

‡

Hình 2.5: ký hiӋXFѫFҩXÿRÿLӋn tӯ

Trang 11

D3KҫQWƭQKJӗPFXӝQGk\SKҫQWƭQK WUzQKRһFSKҷQJ NK{QJFyO}LWKpS

E3KҫQÿӝQJJӗPOiWKpSQRQKuQKEiQQJX\ӋWJҳQOӋFKWkPWUrQWUөF7UrQWUөFFzQFyOz[RÿӕLNKiQJNLPYjEӝSKұQFҧQGӏXNLӇXNK{QJNKt

2.3.3.1JX\rQOêKRҥWÿӝQJ

.KLFyGzQJÿLӋQFҫQÿR,ÿLYjRFXӝQGk\SKҫQWƭQKWKuQyVӁWUӣWKjQKPӝWQDPFKkPÿLӋQYjSKLӃQWKpS  ... R

19 99

.11 0

.99950

)

1. (

10

6 3

2

19 9

1< /small>

R... 1rXFҩXWҥRQJX\rQOêKRҥWÿӝQJYjÿһFÿLӇPӭQJGөQJFӫDFiFFKӍFiFFѫFҩXÿRWӯÿLӋQÿLӋQWӯÿLӋQÿӝQJ

Trang 17

Ĉ2&È&ĈҤ,/Ѭ? ?1* Ĉ,? ?1 &Ѫ%? ?1< /b>

*LӟLWKLӋX

7URQJTXiWUuQKOҳSUiSEҧRGѭӥQJVӳDFKӳDYjYұQKjQKFiFPҥFKÿLӋQKRһFKӋWKӕQJÿLӋQÿzLKӓLQJѭӡLF{QJQKkQSKҧLQҳPÿѭӧFFiFWK{QJVӕFӫDFiFÿҥLOѭӧQJFѫEҧQWURQJPҥFKÿLӋQPҥQJÿLӋQKRһFKӋWKӕQJÿLӋQ7ӯÿyÿѭDUDSKѭѫQJiQOҳSÿһWEҧRGѭӥQJVӱDFKӳDYjYұQKjQKPҥFKPҥQJKRһFKӋWKӕQJÿLӋQWӕLѭXQKҩWÿӗQJWKӡLÿҧPEҧRDQWRjQFKRQJѭӡLYjWKLӃWEӏ0XӕQYұ\QJѭӡLF{QJQKkQÿLӋQSKҧLQҳPÿѭӧFFiFSKѭѫQJSKiSÿRYjNLӇPWUDFiFÿҥLOѭӧQJFѫEҧQÿyPӝWFiFKQKXҫQQKX\ӉQYjFyQKѭYұ\PӟLQkQJFDRÿѭӧFFKҩWOѭӧQJFӫDPҥFKPҥQJÿLӋQYjKӋWKӕQJÿLӋQ...

%10 0

Trang 5

''A =~A 1- A~= - 4,95 = 0,05 A

6DLVӕWѭѫQJÿӕL

% 10 0

Ngày đăng: 31/03/2021, 21:38

TỪ KHÓA LIÊN QUAN

w