| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 22708-2008 |
Thermal-mechanical performance test and mechanical performance test on string insulator units |
$360.00 |
via email in 1~5 business day |
valid,,2009-10-1 |
|
| GB/T 22709-2008 |
Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric |
$150.00 |
via email in 1~3 business day |
valid,,2009-10-1 |
|
| GB/T 22710-2008 |
Electronic controller for low-voltage circuit breaker |
$540.00 |
via email in 1~5 business day |
valid,,2009-10-1 |
|
| GB/T 22711-2008 |
Specification for high efficiency three-phase permanent magnet synchronous motor (frame size 132-280) |
$480.00 |
via email in 1~5 business day |
superseded,2020-3-1,2009-10-1 |
|
| GB/T 22711-2019 |
Specification for three-phase permanent magnet synchronous motors (frame size 80-355) |
$330.00 |
via email in 1~5 business day |
valid,,2020-3-1 |
|
| GB/T 22712-2008 |
Specification for G series cooling fans applying to variable frequency motors |
$150.00 |
via email in 1~3 business day |
superseded,2022-5-1,2009-10-1 |
|
| GB/T 22712-2021 |
Technical specification for G series cooling fans applying to variable frequency motors |
$240.00 |
via email in 1~2 business day |
valid,,2022-5-1 |
|
| GB/T 22713-2008 |
Effects of unbalanced voltages on the performance of three-phase cage induction motor |
$140.00 |
via email in 1~3 business day |
valid,,2009-10-1 |
|
| GB/T 22714-2008 |
Test specifications of interturn insulation of form-wound winding for AC low-voltage electrical machines |
$120.00 |
immediately |
valid,,2009-10-1 |
|
| GB/T 22715-2008 |
Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines |
$429.00 |
via email in 1~3 business day |
abolished2016-09-01,2016-9-1,2009-10-1 |
|
| GB/T 22715-2016 |
Impulse voltage withstand levels of form-wound stator coils for rotating a. c.machines |
$180.00 |
via email in 1~3 business day |
valid,,2016-9-1 |
|
| GB/T 22716-2008 |
Test specifications of interturn insulation of armature winding for DC electrical machines |
$140.00 |
via email in 1~3 business day |
valid,,2009-10-1 |
|
| GB/T 22717-2008 |
Test specifications of interturn insulation of field pole coil and field winding for electrical machines |
$40.00 |
immediately |
valid,,2009-10-1 |
|
| GB/T 22718-2008 |
Thermal evaluation methods of insulation systems for high-voltage electrical machines |
$150.00 |
via email in 1~3 business day |
valid,,2009-10-1 |
|
| GB/T 22719.1-2008 |
Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 1: Test methods |
$80.00 |
immediately |
valid,,2009-10-1 |
|
| GB/T 22719.2-2008 |
Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 2: Test limits |
$80.00 |
immediately |
valid,,2009-10-1 |
|
| GB/T 2272-1987 |
Ferrosilicon |
$184.00 |
via email in 1~3 business day |
abolished2010-04-01,2010-4-1,1988-7-1 |
|
| GB/T 2272-2009 |
Ferrosilicon |
$100.00 |
immediately |
superseded,2020-10-1,2010-4-1 |
|
| GB/T 2272-2020 |
Ferrosillicon |
$165.00 |
via email in 1~3 business day |
valid,,2020-10-1 |
|
| GB/T 22720.1-2008 |
Rotating electrical machines - Qualification and type tests for - Type Ⅰelectrical insulation systems used in rotating electrical machines fed from voltage converters |
$430.00 |
via email in 1~5 business day |
superseded,2018-5-1,2009-10-1 |
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