High voltage shunt capacitor

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High voltage shunt capacitor

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Product description

1. Product use
The capacitors in this manual are shunt capacitor units (hereinafter referred to as capacitors) applicable to AC power systems with nominal voltages above 1kV and frequencies of 50 or 60 Hz to improve power factor and power grid quality. The products adopt GB/T 11024.1 and DL/T 840 standards.
2. Product model and meaning

E.g:
BAM12—500—1W
Meaning: polypropylene film dielectric impregnated by benzyl toluene, rated voltage 12kV, rated capacity 500kvar, single-phase, outdoor shunt capacitor
3. Product structure
The capacitor is mainly composed of three parts: the case, the core and the impregnant. The box shell is made of high-quality thin steel plate by bending and sealing and welding. Lead-out sleeves are welded on the box cover, and hangers for transportation and installation are welded on both sides of the box shell. The core is composed of several elements and insulators connected in series and parallel. The components are made by rolling polypropylene film as solid medium and aluminum foil as pole plate, and the case is filled with impregnating agent with excellent performance.
4. Conditions of use
4.1 Environmental use conditions:
A. The altitude of the use area does not exceed 1000m.
B. Ambient temperature in the use area: -40～+45℃.
C. There should be no violent mechanical vibration, no harmful gas and steam, and no conductive or explosive dust in the place of use.
4.2 Other conditions of use:
Before the capacitor is put into operation, the remaining voltage between its terminals should not exceed 10% of the rated voltage.
4.3 When the capacitor involves high relative humidity, rapid growth of mold, corrosive atmosphere, pollution, and altitude exceeding 1000m
In the event of any special use conditions such as earthquake areas, the purchaser shall notify the company and negotiate to determine the type of product and special precautions to be taken.
5. Ratings and main technical performance
5.1 Rated voltage:
1.05; 3.15; 6.6/√3; 6.3; 10.5/√3; 10.5; 11/√3; 11; 11/2; 12/2; 12/√3; 12; 24/√3; 24kV.
5.2 Rated capacity:
100; 150; 200; 300; 334; 400; 417; 500; 667kvar.
5.3 Product technical parameters (see Appendix A).
5.4 Product and installation dimensions (see Appendix B).
5.5 Capacitance deviation:
The deviation between the measured capacitance of the capacitor and the rated value should not exceed -5 to +5% of the rated value; for a three-phase capacitor, the ratio of the maximum value to the minimum value measured between any two terminals should not exceed 1.02.
5.6 Under the rated voltage, the capacitor loss tangent (tanδ) value at a temperature of 20°C, the full-film dielectric capacitor should not exceed 0.0005.
5.7 The capacitor terminal can withstand a power frequency AC experimental voltage test of 2.15 times the rated voltage, which lasts 10s.
5.8 All capacitors whose terminals are insulated from the shell can withstand the short-time power frequency withstand voltage test and lightning impulse voltage test of the insulation class corresponding to the rated voltage of the capacitor in Table 1 between the terminal and the shell, which lasts 10s. Capacitors that have one terminal fixedly connected to the case are not subject to this test.

Table 1 Insulation level kV

Capacitor rated voltage kV	Insulation class kV	Short-term power frequency withstand voltage root mean square value (wet test/dry test) lasts 10s	Lightning impulse voltage 1.2~5/50μs peak positive and negative polarity 15 times each
3.15	3	18/25	40
6.6/√3；6.3	6	23/30	60
10.5/√3；10.5；11/√3；11；11/2；12/2；12/√3；12	10	30/42	75
24；24/√3	20	50/65	125

5.9 Overload capacity

a. Overvoltage: The capacitor should be able to operate under the voltage level given in Table 2. But the overvoltages higher than 1.15UN given in Table 2 should not exceed 500 times during the life of the capacitor.

Table 2 Allowable voltage levels during operation

Type	Voltage factor×UN (Root mean square value)	Maximum duration	Description
Power frequency	1.00	continuous	The highest average value of the capacitor at any time during operation
Power frequency	1.10	12h every 24h	System voltage adjustment and fluctuation
Power frequency	1.15	30min every 24h	System voltage adjustment and fluctuation
Power frequency	1.20	5min	Voltage rise under light load
Power frequency	1.30	1min	Voltage rise under light load
Power frequency plus harmonics	So that the current does not exceed the value given in Article 5.9b

b. Overcurrent: The capacitor should be able to operate under continuous overcurrent that does not exceed 1.3 times the rated current of the capacitor caused by fundamental overvoltage or harmonics or both. For capacitors with actual capacitance up to 1.05 times the rated capacitance, continuous overcurrent is allowed to reach 1.37 times the rated current.

Appendix A: Product Technical Parameters

Serial number	Model	Rated Voltage (kV)	Rated capacity （kvar）	Rated capacitance (μF)	Dimensions（mm）										Weight （kg）	Drawing number
Serial number	Model	Rated Voltage (kV)	Rated capacity （kvar）	Rated capacitance (μF)	L0	L	L1	L2	H0	H	H1	F	W	W1	Weight （kg）	Drawing number
1	BFM6.6/√3-50-1W	6.6/√3	50	11.0	370	310	400		150	280	490	200	110		18	1
2	BFM6.6/√3-100-1W	6.6/√3	100	21.9	440	380	470		230	360	570	250	120		28	1
3	BFM6.6/√3-200-1W	6.6/√3	200	43.8	560	500	590		230	360	570	320	165		45	1
4	BAM6.6/√3-200-1W	6.6/√3	200	43.8	431	383	473		260	390	620	250	163		39	2
5	BAM6.6/√3-334-1W	6.6/√3	334	73.2	431	383	473		440	570	800	250	163		56	2
6	BAM6.6/√3-400-1W	6.6/√3	400	87.7	431	383	473		500	630	860	250	179		64	2
7	BAM6.6/√3-417-1W	6.6/√3	417	91.4	431	383	473		530	660	890	250	179		67	2
8	BFM11/√3-50-1W	11/√3	50	3.95	370	310	400		150	280	530	200	110		18	1
9	BFM11/√3-100-1W	11/√3	100	7.89	440	380	470		230	360	610	250	120		28	1
10	BFM11/√3-200-1W	11/√3	200	15.8	560	500	590		230	360	610	320	165		45	1
11	BAM11/√3-200-1W	11/√3	200	15.8	431	383	473		260	390	700	250	163		39	2
12	BAM11/√3-334-1W	11/√3	334	26.4	431	383	473		440	570	880	250	163		56	2
13	BAM11/√3-400-1W	11/√3	400	31.6	431	383	473		500	630	940	250	179		64	2
14	BAM11/√3-417-1W	11/√3	417	32.9	431	383	473		530	660	970	250	179		67	2
15	BAM11/√3-500-1W	11/√3	500	39.5	431	383	473		630	760	1070	250	179		77	2
16	BAM11/2√3-334-1W	11/2√3	334	105.4	431	383	473		440	570	880	250	163		59	2
17	BAM11/2√3-400-1W	11/2√3	400	126.3	431	383	473		500	630	940	250	179		67	2
18	BAM11/2√3-417-1W	11/2√3	417	131.6	431	383	473		530	660	1070	250	179		70	2
19	BAM11/2-334-1W	11/2	334	35.1	431	383	473		440	570	880	250	163		56	2
20	BAM11/2-400-1W	11/2	400	42.1	431	383	473		500	630	940	250	179		64	2
21	BAM11/2-417-1W	11/2	417	43.9	431	383	473		530	660	970	250	179		67	2
22	BAM11/2-500-1W	11/2	500	52.6	431	383	473		630	760	1070	250	179		77	2
23	BFM11-50-1W	11	50	1.32	370	310	400		150	280	530	200	110		18	1
24	BFM11-100-1W	11	100	2.63	440	380	470		230	360	610	250	120		28	1
25	BFM11-200-1W	11	200	5.26	560	500	590		230	360	610	320	165		45	1
26	BAM11-200-1W	11	200	5.26	431	383	473		260	390	700	250	163		39	2
27	BAM11-334-1W	11	334	8.79	431	383	473		440	570	880	250	163		56	2
28	BAM11-400-1W	11	400	10.5	431	383	473		500	630	940	250	179		64	2
29	BAM11-417-1W	11	417	11.0	431	383	473		530	660	970	250	179		67	2
30	BAM11-500-1W	11	500	13.2	431	383	473		630	760	1070	250	179		77	2
31	BFM12/√3-50-1W	12/√3	50	3.32	370	310	400		150	280	530	200	110		18	1
32	BFM12/√3-100-1W	12/√3	100	6.63	440	380	470		230	360	610	250	120		28	1
33	BFM12/√3-200-1W	12/√3	200	13.3	560	500	590		230	360	610	320	165		45	1
34	BAM12/√3-200-1W	12/√3	200	13.3	431	383	473		260	390	700	250	163		39	2
35	BAM12/√3-334-1W	12/√3	334	22.2	431	383	473		440	570	880	250	163		56	2
36	BAM12/√3-400-1W	12/√3	400	26.5	431	383	473		500	630	940	250	179		64	2
37	BAM12/√3-417-1W	12/√3	417	27.7	431	383	473		530	660	970	250	179		67	2
38	BAM12/√3-500-1W	12/√3	500	33.2	431	383	473		630	760	1070	250	179		77	2
39	BAM12/2√3-334-1W	12/2√3	334	88.6	431	383	473		440	570	880	250	163		59	2
40	BAM12/2√3-400-1W	12/2√3	400	106.1	431	383	473		500	630	940	250	179		67	2
41	BAM12/2√3-417-1W	12/2√3	417	110.6	431	383	473		530	660	1070	250	179		70	2
42	BAM12/2-334-1W	12/2	334	29.5	431	383	473		440	570	880	250	163		56	2
43	BAM12/2-400-1W	12/2	400	35.4	431	383	473		500	630	940	250	179		64	2
44	BAM12/2-417-1W	12/2	417	36.9	431	383	473		530	660	970	250	179		67	2
45	BAM12/2-500-1W	12/2	500	44.2	431	383	473		630	760	1070	250	179		77	2
46	BFM12-50-1W	12	50	1.11	370	310	400		150	280	530	200	110		18	1
47	BFM12-100-1W	12	100	2.21	440	380	470		230	360	610	250	120		28	1
48	BFM12-200-1W	12	200	4.42	560	500	590		230	360	610	320	165		45	1
49	BAM12-200-1W	12	200	4.42	431	383	473		260	390	700	250	163		39	2
50	BAM12-334-1W	12	334	7.38	431	383	473		440	570	880	250	163		56	2
51	BAM12-400-1W	12	400	8.84	431	383	473		500	630	940	250	179		64	2
52	BAM12-417-1W	12	417	9.22	431	383	473		530	660	970	250	179		67	2
53	BAM12-500-1W	12	500	11.1	431	383	473		630	760	1070	250	179		77	2
54	BAM22/2√3-334-1W	22/2√3	334	26.4	431	383	473		460	590	960	250	163		58	2
55	BAM22/2√3-400-1W	22/2√3	400	31.6	431	383	473		520	650	1020	250	179		66	2
56	BAM22/2√3-417-1W	22/2√3	417	32.9	431	383	473		550	680	1050	250	179		69	2
57	BAM22/2√3-500-1W	22/2√3	500	39.5	431	383	473		650	780	1150	250	179		79	2
58	BAM24/2√3-334-1W	24/2√3	334	22.2	431	383	473		460	590	960	250	163		58	2
59	BAM24/2√3-400-1W	24/2√3	400	26.5	431	383	473		520	650	1020	250	179		66	2
60	BAM24/2√3-417-1W	24/2√3	417	27.7	431	383	473		550	680	1050	250	179		69	2
61	BAM24/2√3-500-1W	24/2√3	500	33.2	431	383	473		650	780	1150	250	179		79	2
62	BFM6.6-100-3W	6.6	100	7.31	715	665	755	725	230	370	620	250	120		47	3
63	BFM6.6-200-3W	6.6	200	14.6	715	665	755	725	230	370	620	250	165	80	56	3
64	BFM6.6-300-3W	6.6	300	21.9	715	665	755	725	230	370	620	250	200	80	72	3
65	BFM11-100-3W	11	100	2.63	715	665	755	725	230	370	620	250	120		47	3
66	BFM11-200-3W	11	200	5.29	715	665	755	725	230	370	620	250	165	80	56	3
67	BFM11-300-3W	11	300	7.89	715	665	755	725	230	370	620	250	200	80	72	3
68	BFM12-100-3W	12	100	2.21	715	665	755	725	230	370	620	250	120		47	3
69	BFM12-200-3W	12	200	4.42	715	665	755	725	230	370	620	250	165	80	56	3
70	BFM12-300-3W	12	300	6.63	715	665	755	725	230	370	620	250	200	80	72	3