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Report No. 65335
14.3.3
Transformer/motor, constructional requirements
P
Transformer Insulation
Insulation
Res.
Test Volt
Clearances / Creepage distances
Part No.
Between
M Ohms
kV (60 sec.)
Measured
Required
T901
/ CLT9Z021ZE,
or
CLT9Z018ZE
Pri. - Sec.
> 100
3KV (rms)
6,0 / 6,0 mm
4,4 / 5,6 mm
- Min. 3,0 mm barrier tape or spacing provided in primary side of the transformer.
- Min. 6,0 mm barrier tape or spacing provided in secondary side of the transformer.
- Min. 6,0 mm barrier tape or spacing provided in secondary side of the transformer.
All of exposed primary winding wires, and outer pins (7, 15) connected exposed secondary winding
wires are covered fully by the 0,25mm min. thick. Teflon tubing (PTFE).
wires are covered fully by the 0,25mm min. thick. Teflon tubing (PTFE).
-
Components / construction
(T901)
Concentric windings on one bobbin. At least 3 layers of ins
ulation between primary and secondary winding.
Thickness of each layer: 0.025 mm. Test voltage: 3kV
ulation between primary and secondary winding.
Thickness of each layer: 0.025 mm. Test voltage: 3kV
Max. Working voltage: 540Vpeak / 271Vrms
P
Transformer Insulation
Thick
(mm) Material
Dielectric strength test
Part No.
Between
X Number
60 sec.
T901
/ CLT9Z021ZE,
or
CLT9Z018ZE
Pr. - Sec.
0,025 mm x 3
Polyester tape
2 layers tested - Pass *)
Pr. - ic
0,50 mm min. x 1
Phenolic bobbin
1 layer tested - Pass *)
Pr. / Sec.
0,25 mm min. x 1
Teflon tube (PTFE)
1 layer tested - Pass *)
*) Test voltage: 3000 Vrms
17.1
Torque test to Table 20:
P
Screw
Diameter
With
Without
Material
Torque test (Nm)
Location / function
(mm)
Head
Head
Screw
Nut
Fulfilled / Remarks
Fixing of top cover
3
x
Metal
Metal
0,5Nm, 5 times / Pass
