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Variable Frequency Resonant Withstand Ac High Voltage Test Set For Long HV XLPE Cable

Variable Frequency Resonant Withstand Voltage Test Set For Long HV XLPE Cable

I.Application :

This test set model CHX-9000KVA/150KV,300KV,450KV is designed for 132kV~400KV class long XLPE cable on-site AC hpot test and 362KV and below class GIS on-site AC hipot test with variable frequency resonant circuit technology; the highest test voltage is no more than 150KV,300KV,450KV through cylinder test reactor in parallel or in series connection ;the test frequency can be from 20-300Hz; the duty cycle is no more than 60mints.

Through modular test reactor is used in parallel or in seires, the test set model CHX-9000KVA/150KV,300KV,450KV also can be performed the following on-site AC hipot test:

1.1 No more than 150KV and 60A for long distance XLPE cable with no more than U₀=87KV

1.2 No more than 300KV and 40A for long distance XLPE cable with no more than U₀=160KV ;

170KV and below class GIS

1.3 No more than 450KV and 20A for long distance XLPE cable with no more than U₀=230KV ;

362KV and below class GIS

Until now , these designed test set can form many different serialized model according to different HV or UHV withstand test applications through test reactors in series or in parallel connection and number of configurations in each set, The alike model can see clause 9.other typical model.

II. Main Components

SN	Name of Components	Type and specification	Qty.	Each weight	Each Dimension
1	Variable frequency power supply	FKVF-300kW/380V	1piece	280kgs	7507001200mm
2	Excitation transformer	CQSB(J)-300kVA	1piece	3000kgs	950850900mm
3	HV resonant test reactor	CHX(kf)-3000kVA/150kV	3pieces	4500kgs	D1200*H1250mm
4	Capacitive divider	TRF-450kV/1000pF	1set	275kgs	D250*H2850mm
5	Special test accessories		1set

Note:1.Load capacitantor can be optional when small load line is tesing or need analog load to control test frequency.

2.Test reactor can be produced to be 130KV,150KV,155KV,200KV, 250KV, 300KV, 350KV, 400KV for each piece rated voltage according to different tested object scope or customer requried. The max. rated current of each HV reactor can be 1~5A,10A,15A,20A,25A,30A.

III. Test priciple figure:
Portable Variable Frequency Resonant Withstand Voltage Test Set

VF: Variable Frequency Power Supply Source which is control and measurement part in the test circuit.

T : Excitation Transformer which provide the exciting voltage for HV test reactor
L : Test Reactor which is resonant inductance in the LC circuit and produce the test voltage

Cx: Tested Equipment

MOA1: Lightning Arrestor is protection part on the excitation transformer
C1,C2: Voltage divider(C1 is high voltage arm,C2 is low voltage arm ) which is HV voltage measurement part

IV. General Technical data:

Mode of system test: Series resonant with variable frequency
System model : CHX-9000KVA/150KV,300KV,450KV
Input power supply : 380±10%(three-phase),50Hz/60Hz
Number of HV test reactor: 3pieces
Rated output capacity: 9000kVA
Rated output Voltage: 150KV,300KV,450KV
Max Test voltage : no more than 150KV,300KV,450KV
Rated output current: 20A /single piece or in series；60A in parallal
Reg. Freq range : 20Hz-300Hz
Output Resonance voltage waveform: sine wave
THD of output waveform: ≤1%
Insulation level: Under 1.1 times and keeping 1min, normal
Duty cycle : 60mins on under rated current working condition ;
Quality factor of test set itself: Q≥60
Temperature rise: Less than 65K under rated current working 60mints;
Noise level: No more than 70B
Reactor Structure: oil immersed type, epoxy tube cylinder type；

V. Main Measuring and control software panel as following :

Portable Variable Frequency Resonant Withstand Voltage Test Set
Note: This figure is display panel at setting test parameter step from control and measurement software on the VF power supply

VI.Accessories

Accessory box for storage accessoires
Input cables of power source
Output cables of power source
Output cables of exciting transformer
System grounding cables
Parallel cables of the reactor
HV measuring cables ( the signal output cables of voltage divider )
HV output cables(reactor to divide,divider to test object)
Supporting base for divider
Corona ring for test reactor and divider
A final test report, a quality Certificate ,a user manual and a packing list are offered .

VII. Other typical model

1 Optional model for 132KV class XLPE cable on-site withstand voltage test

Model	Rated voltage	Rated output current	Rated output capacity	Max Application
CHX-775KVA/155KV	155KV	5A	775KVA	132kV cable≤1km
CHX-1550KVA/155KV	155KV	10A	1550KVA	132kV cable≤2km
CHX-2325KVA/155KV	155KV	15A	2325KVA	132kV cable≤3km
CHX-3100KVA/155KV	155KV	20A	3100KVA	132kV cable≤4km
CHX-3875KVA/155KV	155KV	25A	3875KVA	132kV cable≤5km
CHX-7750KVA/155KV	155KV	50A	7750KVA	132kV cable≤10km
CHX-12400KVA/155KV	155KV	80A	12400KVA	132kV cable≤16km
CHX-15500KVA/155KV	155KV	100A	15500KVA	132kV cable≤20km
Special requirement can be made by order

Note :Tested cable voltage class≤ 132kV, 0.25uF/km

2 Optional model for 230KV class XLPE cable on-site withstand voltage test

Model	Rated voltage	Rated output current	Rated output capacity	Max Application
CHX-2020KVA/255KV	255KV	8A	2020KVA	220~230kV cable≤1km
CHX-4080KVA/255KV	255KV	16A	4080KVA	220~230kV cable≤2km
CHX-6120KVA/255KV	255KV	24A	6120KVA	220~230kV cable≤3km
CHX--8160KVA/255KV	255KV	32A	8160KVA	220~230kV cable≤4km
CHX--10200KVA/255KV	255KV	40A	10200KVA	220~230kV cable≤5km
CHX--20400KVA/255KV	255KV	80A	20400KVA	220~230kV cable≤10km
CHX--25500KVA/255KV	255KV	100A	25500KVA	220~275kV cable≤12.5km
Special requirement can be made by order

Note :Tested cable voltage class≤ 230kV, 0.25uF/km

3 Optional model for 330KV class XLPE cable on-site withstand voltage test

Model	Rated voltage	Rated output current	Rated output capacity	Max Application
CHX-3500KVA/350KV	350KV	10A	3500KVA	330kV cable≤1km
CHX-7000KVA/350KV	350KV	20A	7000KVA	330kV cable≤2km
CHX-10500KVA/350KV	350KV	30A	10500KVA	330kV cable≤3km
CHX-14000KVA/350KV	350KV	40A	14000KVA	330kV cable≤4km
CHX-21000KVA/350KV	350KV	60A	21000KVA	330kV cable≤5km
CHX-28000KVA/350KV	350KV	80A	28000KVA	330kV cable≤10km
Special requirement can be made by order

Note :Tested cable voltage class≤ 330kV, 0.25uF/km

4 Optional other model for long XLPE cable on-site withstand voltage test

Model	Rated voltage	Rated output current	Rated output capacity	Application (From 20Hz starting)
CHX-2600KVA/130KV	130KV	10A,20A	1300KVA	For U₀=64KV and below cable
CHX-3000KVA/150KV	150KV	10A, 20A	3000KVA	For U₀=87KV and below cable
CHX-10000KVA/250KV	250KV	20A, 40A	10000KVA	For U₀=127KV and below cable
CHX-20000KVA/250KV	250KV	20A, 80A	20000KVA	For U₀=127KV and below cable
CHX-21000KVA/350KV	350KV	20A, 60A	21000KVA	For U₀=230KV and below cable
CHX-42000KVA/350KV	350KV	20A, 80A	42000KVA	For U₀=230KV and below cable
Special requirement can be made by order

Note : XLPE cable test voltage is considering as 1.7U₀

5 Optional model for HV or EHV class cable and GIS On-site AC hipot test

Model	Rated voltage	Rated output current	Rated output capacity	Application (From 20Hz starting)
CHX-2600KVA/130KV,260KV	130KV,260KV	20A@130KV	2600KVA	For U₀=64KV cable For 72.5KV class GIS
		10A@260KV		For U₀=127KV cable For 145KV class GIS
CHX-9000KVA/150KV,300KV	150KV,300KV	60A@150KV	9000KVA	For U₀=87KV cable For 72.5KV class GIS
		30A@300KV		For U₀=160KV cable For 170KV class GIS
CHX-10000KVA/250KV,500KV	250KV,500KV	40A@250KV	10000KVA	For U₀=127KV cable For 145KV class GIS
		20A@500KV		For U₀=290KV cable For 362KV class GIS
CHX-20000KVA/250KV,500KV	250KV,500KV	80A@250KV	20000KVA	For U₀=127KV cable For 145KV class GIS
		40A@500KV		For U₀=290KV cable For 362KV class GIS
CHX-21000KVA/350KV,700KV	350KV,700KV	60A@350KV	21000KVA	For U₀=190KV cable For 170KV class GIS
		30A@700KV		For U₀=290KV cable For 550KV class GIS
Special requirement can be made by order

VIII. On-site test standard table from IEC 60840:2011 and IEC 62067:2011 for XLPE cable

Variable Frequency Resonant Withstand Ac High Voltage Test Set For Long HV XLPE Cable 2

Variable Frequency Resonant Withstand Ac High Voltage Test Set For Long HV XLPE Cable 3

IX. On-site insulation test standard table from IEC 62271-203:2011 for HV GIS

Variable Frequency Resonant Withstand Ac High Voltage Test Set For Long HV XLPE Cable 4

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Categories	High Voltage Cable Testing Equipment
Brand Name:	Ningbo Suntech Power
Model Number:	CHX-9000KVA/150KV,300KV,450KV
Certification:	ISO9001
Place of Origin:	Ningbo，China
MOQ:	One Unit
Price:	Negotiable
Payment Terms:	L/C, T/T
Supply Ability:	10sets / 3months
Delivery Time:	75~90 Working Days
Packaging Details:	Export Standard Wooden Case With Fumigation Free
Test Principle:	Variable Frequency Resonant Circuit
MAX.Capacity:	9000KVA
Test Frequency:	20-300Hz
Test Accuracy:	No Less Than 1.5%
Test Standard:	IEC 60060-1:2010；IEC 60840:2011 And IEC 62067:2011 For XLPE Cable
High Light:	ac high voltage test set, high voltage cable identifier
Usage:	AC Withstand Voltage Test
Max.Voltage:	150KV,300KV,450KV
Duty Cycle:	60 Mints
Special For:	On-site Test For Long HV XLPE Cable And GIS
Application:	Construction Line
Arcing Distance:	350mm
Breaking Capacity:	10kA
Creepage Distance:	500mm
Current Rating:	100A
Frequency:	50-60HZ
Mechanical Strength:	≥10kN
Oem:	Available
Operating Temperature Range:	-40°C to 85°C
Rated Current:	100A
Rated Voltage:	33KV
Safety Standards:	IEC60282-2
Standard:	IEC 60282-1
Structure:	Vertical
Type:	Outdoor