PH Series

Copper

TECOBAR Medium Voltage Cast-Resin Insulated Busway is developed for power systems between
3.6kV~24kV. The product has features of safety and compact. It is designed to using insulation material
to perform cast resin sealing to the copper (aluminium) conductor. The insulation material is cast resin
containing non-organic volcanic rock and has excellent insulation characteristics and mechanical
strengh, humidity-proof, non-combustible, and self-extinguishing features.
Specification
Type  
Model PH10 PH10 PH10 PH10 PH16 PH16 PH16 PH20 PH20 PH20
Conductor Section(mm2 ) 600 800 1000 1200 1280 1600 1920 2000 2400 3000
Conductor Dimensions (mm) w100xt6 w100xt8 w100xt10 w100xt12 w160xt8 w160xt10 w160xt12 2-w100xt10 2-w100xt12 2-w100xt15
Rated Current A (35/40 ℃) 2070 2308 2560 2800 3215 3525 3711 4208 4535 5000
Rated Voltage V 17.5kV
Frequency Hz 50/60
R at 20 ℃ μΩ∕m 28.9 21.7 17.3 14.4 13.5 10.8 9.1 8.7 7.2 5.8
R at 85 ℃ μΩ∕m 39.9 32.1 26.1 21.8 21.4 17.8 16.1 14.4 12.4 10.2
X μΩ∕m
f:60Hz
157.8 154.9 152.1 149.4 123.8 122.9 121.7 85.7 84.9 83.8
Icw kA / 1Sec 100 100 100 100 80 80 80 100 100 100
Ipeak 260 260 260 260 208 208 208 260 260 260
Ploss W∕m 513 513 513 513 665 665 665 765 765 765
IP/IK IP68/IK10
※Technical specifications may change without any further notice
Product Dimensions (mm)
Width (B)∕Height(H) 322x150 322x210 322x260
BB 340 340 340
B'xH' 415x225 415x285 415x335
Product Weight kg/m 78 80 83 90 113 120 128 149 159 173
※Please contact us for specific layouts and connection details.
※SH type has no protection cover required. However, SH type is advised to add aluminum cover for outdoor use.
For detail please contact us or local dealers.
※Please refer to the temperature correction coefficient of rated current on page 2-27 while ambient temperature exceeds 40℃.
Features
Applicable Scope:
TECOBAR medium voltage busway is manufactured in accordance with, IEC 60694, IEC 62271-200, IEC 62271-201, IEC 62271-202 and IEEE C37.23 standards. The elements included as below: 3.1 Straight elements, Elbow elements, T-elements and Terminal elements, etc.

Condition of Use:
TECOBAR medium voltage busway is composed of the parts listed in item 3.1. The elements are connected through junction units on site before cast molding with insulation mix to complete the medium voltage busway. Conditions for TECOBAR:
  1. Altitude: below 2000m, indoor or outdoor site.
  2. Ambient temperature: -45℃~65℃
  3. Ambient humidity: 0%~100%
Technical Specifications:
  1. Rated Voltage
  2. Model SH HCB PH PE
    Voltage 7.2kV 15.5kV 17.5kV 24kV
  3. Frequency Hz: 50/60
  4. System Type: 3Φ3w.
  5. Conductor Material : Copper (E-Cu57).
    Purity : 99.9% Conductivity : Above 98% IACS.
    According to standards : JIS H3140 , DIN 1787, DIN 1759, DIN 40500.
  6. Electrical characteristics of each TECOBAR element:
    Partial discharge : ◎ Partial discharge coulomb value less than 20pC.
    Protection degree : ◎ In accordance with IEC 60529 IP68.
    Mechanical impacts : ◎ In accordance with IEC 62262 IK10. Insulation capabilities : ◎ Max 50kV/1min.

Product Design Theory
1. Temperature correction coefficient for rated current
Maximum ambient temperature ℃ 20 25 30 35 40 45 50 55 60
Daily average ambient temperature ℃ 15 20 25 30 35 40 45 50 55
Correction coefficient 1.18 1.14 1.09 1.05 1.00 0.94 0.88 0.82 0.75
2.Voltage drop calculation
  • △U =√3 x Is x L x (R cosθ+X sinθ) x 10-6
  • △U =Voltage drop (Volts)
  • Is =Load current (Amps)
  • L =Line length (m)
  • R =Resistance (μ Ω/m)
  • X =Reactance (μ Ω/m)
  • cosθ =Power factor
  • sinθ =√(1-cos 2θ)
3. Product model identification
PH 10 E C 3 - 1000
PH Product series code SH: 7.2kV PH: 17.5kV
PE: 24kV HCB: isolated phase bar 15.5kV
10 Copper bar width 08 w=80mm , 10 w=100mm , 16 w=160mm , 20 w=200mm
E Single/Double conductor of each phase E Single line D Double line
C Conductor type C Copper conductor A Aluminium conductor
3 No. of conductors
1000 Cross sectional area of conductor(mm 2 ) 1000mm 2
4.For calculation of general product data or technical information, please contact with manufacturer or local agency.

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