1NHANHA CUNG CACUNG CAP GIAP GIAI PHAI PHAP CHOP CHONG SENG SET T TOATOAN N DIEDIENN

BCV:TS. QuyeBCV:TS. Quyen Huy An Huy Anhnh

ERICO TECHNOLOGIES GROUPERICO TECHNOLOGIES GROUP ERICO TECHNOLOGIES GROUPERICO TECHNOLOGIES GROUP

AIR TERMINAL,COPPER BONDED GROUND RODS, ANCHOR RODS AND TIE DOWN RODS

GROUNDING PRODUCTS, EXOTHERMIC CONNECTIONS AND BONDING

ELECTRICAL SYSTEM COMPONENTS AND CONNECTIONS

SURGE PROTECTOR

CONCRETE REINFORCING PRODUCTS

Direct lightning strike to Rural & Industries Bank, Perth, Western Australia

CACAC HC H HOHONG DO SENG DO SET GAY NEN DO :T GAY NEN DO :

Chong set trc tiep khong hieu quaHe thong at khong at yeu cau, cho phepdong set i gan cac thiet b ien t nhaycamBao ve chong set lan truyen va loc nguonkhong hieu quaKhong bao ve chong set cho mang ienthoai, may tnh va d lieu

BABAN N OO NGANGAY DONGY DONG

20 4 10 20 40 60 80 100 140 200+

SOSO NGANGAY DONGY DONG

SOSO NGANGAY DONG TRONG NAMY DONG TRONG NAM

VIETNAMSINGAPOREMALAYSIAINDONESIATHAILANDHONG KONGPHILIPPINESBRUNEI

90 - 140160 - 200180 - 200180 - 200

90 - 14090 - 10090 - 14090 - 100

Thit k in Hp Chun - DH SPKT-TP HCM- feee.hcmute.edu.vn - 0913755035

2NG CONG PHAN BONG CONG PHAN BO

TATAN SUAN SUAT XUAT XUAT HIET HIEN SEN SETT

0 10 20 30 40 50 60 70 80 90 100 110 120 130

Gia tr xung set cc ai, Imax

0

20

40

60

80

100

120

Xac

suat

dong

setv

tq

uag

iatr

Im

ax 6.5kA 98%10kA 93%

15kA 85%20kA 75%

30kA 50%

1752

Benjamin Franklin

a chng minhrang may dongtch va phat cacdong tnh ienbang con dieu thnghiem noi tiengcua mnh

Rick Gumley inspects equipment for rocket- triggered lightning

experiments at Melville Island near Darwin, Australia, 1995

SESET T C HNH THAC HNH THANH RA SAONH RA SAO

TiaTia tien tien aao phao phat t trietrien tn tngngbbc xuoc xuong ng ddii

Gia tang Gia tang mamanh nh ieien n trtrng tang tai i nh conh cott

SS ttch ch ieienntren may gay tren may gay nen snen s gia gia tang ttang tch ch ieien n ddi i aatt

Tch ien ien hnh tren may t0.5 en 10 C

SESET T C HNH THAC HNH THANH RA SAONH RA SAO

XuaXuat hiet hien tia n tia tien tien aaoo ii lenlen

SS tang matang manh nh ieien trn trng tang tai i nh conh cot tt ti mi mc c phophong ng ieien tan tao o ra tia tien ra tia tien aao o i i lenlen..

TiaTia tien tien aao o i i len b loi cuolen b loi cuon ven vephiaphia tia tien tia tien aao o i xuoi xuong vang va babat t gagap tia nap tia nayy

Tch ien di at thng bang 1/10tch ien tren may

SESET T C HNH THAC HNH THANH RA SAONH RA SAO

Tia tien Tia tien aao o i i xuoxuong vang va tia tien tia tien aao o i len thi len thc c hiehien bn bc nhac nhay y cuocuoi cui cungng

PhoPhong ng ieien ngn ngc c theo kenh theo kenh cc ionionhoahoa

PhoPhong ng ieien lan lap lap lai i tt cacac trung tam c trung tam ieien tn tch khach khac theo c theo cucung kenh dan seng kenh dan set t vva thiea thiet lat lapp..

Bc nhay cuoi cung thc hien khoang cach10m

Tong ien lng truyen dan bi phong ien ngc vao khoang 5-200 coulomb trong khoang 0.05-1.5s

3THONG SOTHONG SO DODONG SENG SET TRUNG BNHT TRUNG BNH

Cong suat tc thi Tren 1MW

Tong nang lng Tren 250 kiloJoules

Ap suat am thanh 90 Atmostpheres

Nhiet o 30.000oK

Toc o tang dong 0.1 1sGia tr trung bnh 35kA

o dai uoi song 300 sKenh dan set 5km

So lan anh lap lai 3 20 lan KIM FRANKLIN LONG FARADAY

GIAGIAI PHAI PHAP CHOP CHONG SENG SET COT CO IEIENN

30o

XAXAC C NH NH VUVUNG BANG BAO VEO VE

VUVUNG BANG BAO VEO VE

45O

PHPHNG PHANG PHAP QUAP QUA CACAU LANU LAN PHPHNG PHANG PHAP HNH NOP HNH NONN

R = 45

m

VUVUNG BANG BAO VEO VE

20m

40m

GHI NHAGHI NHAN VEN VE KIM FRANKLINKIM FRANKLIN

bTai vien th nghiem Langmuir - New Mexico, nhieukim nhon c at cao o 10m tren nh mot ngonnui e nghien cu iem set anh

bHn 16 nam cac nh nhon nay a trai qua rat nhieungay dong

bCac oi tng nam trong vung bao ve cua cac kim ab set anh rat nhieu lan, trong luc o vai kim hoantoan khong b set anh.

TNH HNH TNH HNH DONG SEDONG SET TAT TAI VNI VN

5,95.37126.260.15

5,83.5589.344.04

5,83.3195.247.63

76.33215.661.62

86.47219.151.11

Thang dong

cc ai

Mat o set trung bnh

(lan/km2.nam)

Gi dong trung bnh(gi/nam)

Ngay dong trung bnh(ngay/nam)

Vung

Vung 1: ong bang ven bien mien bac Vung 2: mien nui trung du mien bac Vung 3: mien nui trung du mien trung Vung 4: ong bang ven bien mien trung Vung 5: ong bang mien nam

4TNH HNH TNH HNH DONG SEDONG SET TAT TAI VNI VN

NAM 2001

Nganh ien co 400 s coma 50% do set gay ra (Bao Tien Phong, 14/08/02)Nganh Bu Chnh Vien Thong th co 53 s co do set (chiem 27,13% s co vien thong) gay thiet hai la 4.119 ty va tong thi gian thi gian mat lien lac do set la716 gi (Chong set cho mang vien thong Viet Nam Nhng ieu bat cap. Le Quoc Tuan Ban Vien Thong, Pham Hong Mai-TTTTB)

1

2

4

3

5

6

KIM THU SETDYNASPHERE

CAP THOAT

SET ERICORE

THIET B CAT SET MOVTEC

LAP TREN NG CAP

IEN CHO EN BAO KHONG

NOI ATANG THE

TAN NHANH NANGLNG SET VAO AT

THIET B CHONG SET

LAN TRUYEN

TREN NG

CAP NGUONTHIET B

CHONG SET LAN TRUYEN TREN NG DAY THONG

TIN

XUNG OT BIEN LAN TRUYEN

THEO CAP THONG TIN

VONG NOI AT CUA

TRAM THONG TIN

IEN LI

THIET B NGUON DC

THIET B CHUYEN MACH

SO

THIET B TRUYEN DAN

THIET B BAO VECSP LAP

AT TREN CAP RF

TEC

HE THONG AT CO TONG TRTHAP S DUNG HOA CHAT

GEM

HOP KIEM TRA

GIAGIAI PHAI PHAP P CHOCHONGNG SESET TOAT TOAN DIEN DIENN

1. THU BAT SET TAI IEM NH TRC

2. DAN SET AN TOAN BANG CAP THOAT SET CHONG NHIEU

3. TAN NHANH NANG LNG SET VAO AT

4. ANG THE CAC HE THONG AT

5. CHONG SET LAN TRUYEN TREN NG CAP NGUON

6. CHONG SET LAN TRUYEN TREN NG TN HIEU