I.Testing object

AC withstand voltage test of 22kV/600MW thermal power generator, capacity ≤0.2158uF, test frequency 50Hz, test voltage 47kV, test time 1min

II.Main technical parameters and functions

1. Rated capacity：200kVA；

2. Rated voltage：50kV；

3. Rated current：4A；

4. Operating frequency：power frequency 50Hz；

5. Output voltage waveform distortion rate：≤0.5%；

6. Allow continuous working hours：5min(under rated load)；

7. Temperature rise after continuous operation for 5min under rated load: ≤65K；

8. Device's own quality factor：Q≥10；

9. System measuring accuracy：virtual value 1.5 class；

10. Output power：single 220V，50Hz；

11. Over current, over pressure and flashover protection are provided for the testing object；

12. Environment temperature：－10⁰C –50 ⁰C

13. Relative humidity：≤90%RH，Altitude≤1000m；

III. Standards

GB10229-88            “Electric reactor TSCR”

GB1094　　　　　　　　“Power transformer”

GB50150-2006　　  “Electrical equipment installation engineering electrical equipment handover test standard”

DL/T 596-1996          “Electrical equipment preventive test procedures” 

GB1094.1-GB1094.6-96   “Enclosure protection class”

GB2900　　　　　　　　“Electrotechnical terminology”

GB/T16927.1~2-1997　　 “High voltage test technique”

IV.Testing power and L、C_x

Comment：C_x is the capacity of testing object

Ac power frequency withstand test：The series resonance test device is used for the ac voltage withstand test of generator.

V. System configuration and parameters

1. Excitation transformer JLB-20kVA/5kV/0.4kV       1 set

a) Rated capacity：20kVA；

b) Input power：220V，single phase；

c) Output voltage：3kV

d) Type：Dry type

e) Weight: about 125kg；

f) Temperature rise of coil to air after

g) 1 min rated operation：≤65K;

2. Operating bench HZXB-（L）-20kVA/380V  （Including voltage regulator）                              1 Set

a) Rated capacity：20kVA；

b) Input voltage：380V

c) Output voltage：0~250V；

d) Protection function: zero, overcurrent, overvoltage and flashover protection；

e) Weight：about 100kg；

3. Adjustable reactor DK（L）-200kVA/50kV           1 Set

a) Rated capacity：200KVA；

b) Rated voltage：50kV；

c) Rated current：4A；

d) Adjustable inductance：47H~127H；

e) quality factor：Q≥10；

f) Type: Dry type, adjustable with iron core：；

g) Quantity：1 set；

h) Weight：about 180Kg ；

4. High voltage divider FRC-50kV                    1 Set

a) Rated voltage：50kV

b) Testing accuracy：AC RMS 1.5 class；

c) Dielectric loss：tgσ≤0.5%；

d) The ratio of divided voltage：1000：1，accuracy：≤1.0%；

e) Weight：about 10Kg；

5. Compensating capacitor BC-50kV/0.08uF            1 Set

a) Rated voltage：50kV；

b) High voltage capacity：0.08uF

c) Weight：15kg

VI. System equipments List

List of equipment configuration