M.7 CONTENTS. Measurement transformers and shunts. Introduction Page 3 TC 5 TC 5,2 TC 6,2 TC 6 TC 8 TC 10 TC 12. Slim line current transformers Page 7

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1 Current transformers and shunts M7 M.7.01 GB

2 CONTENTS Introdution Page 3 TC TCH T TC 5 TC 5,2 TC 6,2 TC 6 TC 8 TC 10 TC 12 TCH 6,2 TCH 6 TCH 8 TCH 10 TCH 12 T 400 T 0 T 600 Slim line urrent transformers Page 7 High auray, slim line urrent transformers Page 8 Current transformers Page 9 TP TI TC SHUNTS TP 23 TP 58 TP 88 TP 812 TP 816 TM 45 T 210 TW 25 TW 25m TI 420 TP 420 TCM 420 TCB 420 TC 420 TC 020 TRM TRP TRMC SHP SHB SH Shared ore urrent transformers Page 10 Primary oil, DIN rail, urrent transformers Page 11 Current transformers with m output Page 12 Current transformers with built in onverter Page 13 Current measurement and protetion transformers Page 14 Shunts Page 15 TSR TSR dding transformers Page 15 essories Page 16 Dimensions / onnetions Page 17 M7-2

3 Introdution When the use of eletri urrent started, the need for measurement transformers began. In this atalogue we will refer to urrent transformers. The servies whih a transformer must offer are: To insulate and to separate iruits and measuring/protetion equipment et in high voltage lines To prevent disturbanes generated by transmitting high urrents To redue short iruit urrents to admissible levels in sensitive measurement and protetion equipment To obtain proportional urrents (in a pre-determined range at least) up to whih measurements and heks are to be made in order to transmit them to the appropriate equipment Experiene shown through a poor hoie or installation of measurement/ protetion transformers may reate situations where the installation does not operate properly as well as personnel and installation safety not being able to be guaranteed during ritial periods Seletion For the orret seletion of measurement transformer (measurement or protetion) the following must be known: The appliation for whih it is intended (measurement or protetion) Features of the operating environment, or onditions of use (indoors or outdoors, maximum operating temperature, et.) The features of the line where it will be installed: Size of ables or fl at strip Measurement margins of the measured urrent (maximum and minimum urrent) Overload (range and time) System voltage (low, medium or high voltage) Short iruit urrent System frequeny Features of the assoiated instrument or relay (auray, nominal urrent, onsumption, et.) Distane between the transformer and the instrument, plus the able diameter used for onnetion The power of a transformer This is an important magnitude. In the transformer, the primary urrent has to indue the power required in the seondary to transmit the seondary urrent to the measurement equipment. Indued power has to be equal to or higher than losses in the line plus onsumption of the measurement equipment itself. Losses in the line, P L : This is the power lost through heating up due to the passage of urrent through the resistane R L in the ables in the transformer s seondary iruit. Fators to be taken into aount: Seondary urrent. P L = R L I 2 Cable diameter. R L is inversely proportional to the square of the diameter Cable length. R L is proportional to the length of abling (there and bak) Power: The nominal apparent power (V ) with a speifi ed power fator whih the urrent transformer supplies to the seondary urrent with the assigned urrent when it is onneted to its nominal load, S(V ) = Z (I sn ) 2 ording to Standards for apparent power higher than or equal to 5 V, the power fator is 0.8 indutive. For lower apparent powers the power fator isonsidered one. M7-3

4 Losses in a transformer TRNSF. INSTLLTION l (m) Example: Suppose a transformer whih has an ammeter at 10 m in the seondary. What wuold be the losses if this was.../5 and what if it was.../1? Data: I p P1 P2 Line impedane I S S1 R L L CBLE = 2 l = 2 10 = 20 m S CBLE = 1 mm 2 R LINE = 0, / 1 = 0,35 Ω P LINE = 0, = 8,62 V - If it was.../ 1 P LINE = 0, = 0,35 V (25 times less) S2 R L = p ρ = 0,0172 L s Cable material: opper Ω mm 2 m EQUIPMENT TYPICL CONSUMPTION Moving iron instruments Moving oil instruments nalogue wattmeters Maximum Demand Indiators Digital instruments Energy meters Reording instruments 0, V 0,5 V 0,2... 2,5 V 2,5... 5,0 V 0,5... 1,0 V 1,0... 1,5 V 2,0... 5,0 V Table of losses in the seondary line V Length of seondary line Note: With.../1 transformers losses are redued 25 times M7-4

5 uray of a transformer The type of error produed in a transformer is established by I.E.C In measurement transformers for 25 % and 100 % of nominal power. In protetion transformers only 100 % of nominal power. Error Limits. Table 1. uray lasses n TYPE Minutes Centiradians ± % Error for % I Phase differene ± for % I n ,1 0,40 0,20 0,10 0, ,45 0,24 0,15 0,15 0,2 0,75 0,35 0,20 0, ,9 0,45 0,30 0,30 0,5 1, 0,75 0, 0, ,7 1,35 0,90 0,90 1,0 3,00 1, 1,00 1, ,4 2, 1,80 1,80 Error limits. Table 2. uray lasses n TYPE Minutes Centiradians ± % Error for % I Phase differene ± for % I n S 0,75 0,35 0,20 0,20 0, ,90 0,45 0,30 0,30 0,30 0.5S 1, 0,75 0, 0, 0, , 1,35 0,90 0,90 0,90 Error limits. Table 3. uray lasses uray lass ± % Error for % I n % I n No phase error For protetion transformers Phase differene ± for % I n TYPE ± % Error for % I n Minutes Centiradians Composite error 5P ± 1 ± 60 ± 1,8 5 10P ± M7-5

6 The transformer when saturated urrent transformer is saturated when its urrent primary or load are above its nominal values. The linearity of the urrent transformation between primary and seondary dereases, so that error inreases. The saturation of the transformer is inversely proportional to the load (fi g. 6). The differene between measurement and protetion urrent transformers is its behaviour with the overload whih ours in the primary. Those used for measurement are saturated when there is an overload in order not to damage the equipment in the seondary Protetion transformers are not saturated until there is a high urrent. lass 5P15 protetion transformer indiates that it has an auray error of ± 1% and it does not beome saturated until 15 times the nominal urrent passes through the primary. In measurement transformers, the SFETY FCTOR, Fs parameter indiates how large the primary urrent an be whih the transformer is apable of transferring to measuring equipment. TP FIG. 6 CLSS CURVES B C % 0 1,2 5 x I pn Current error 1 3 Measurement transformer 0,5 10P5 5P5 Protetion transformer M7-6

7 TC SLIM LINE urrent transformers. BERG Series Type TC 5 TC 5,2 TC 6,2 TC 6 TC 8 TC 10 TC 12 Inner Ø Flat strip 25 x 5 a b b Mounting a x x x x x x 12 80, , ,5 x 60 x x x 100 x 10 V Class Class Class Class Class Class Class 0, , , , , , , / ,5 / /5-1,25 3,5 75/5-2 3,5 100/5 1,5 2,5 3,75 1,75 3,75 7,5 125/5 1,75 3,5 5-1,5 2 3,75 7,5 10 1/5 2,5 3, ,5 5 7, , /5 3, ,5 3 3,5 7, ,5 5 7,5 2/5 5 7,5 7,5 3,5 3,75 5 7, , /5 3,5 3, , /5 3,5 5 7, , ,5 10 0/5 5 7, , , /5 5 7, , / / / / / / / / / / Frequeny ssigned insulating voltage Short-iruit thermal urrent, I th Dynami urrent, I dyn Features / 60 Hz 10 kv 60 I n 2,5 I th Higher voltage for the material 0,72 kv a.. Thermal lass B (130 ºC) Enapsulated in selfextinguishing plasti VO Safety fator FS 5 Sealed seondary terminals Yes essories 5 TC 5 TC 5.2 TC 6.2 TC 6 40/5 M311 /5 M312 60/5 M313 75/5 M /5 M315 M /5 M316 M322 M342 1/5 M317 M323 M343 M /5 M318 M324 M344 M332 2/5 M319 M325 M345 M /5 M326 M346 M334 Code table TC 5.2 TC 6.2 TC 6 TC 8 TC 10 TC /5 M327 M347 M335 M361 0/5 M328 M348 M336 M /5 M329 M349 M337 M363 7/5 M338 M /5 M339 M /5 M366 M /5 M367 M374 10/5 M368 M375 M /5 M369 M376 M /5 M377 M385 20/5 M378 M /5 M379 M /5 M388 DIN rail Terminals over Certifiate M7-7

8 TC H SLIM LINE urrent transformers. HIGHLY CCURTE Type TCH 6.2 TCH 6 TCH 8 TCH 10 TCH 12 Inner Ø Flat strip 30 x x x 12 b a a b 80, , ,5 x 60 x x x 100 x10 V Class Class Class Class Class 0,2S 0,2 0,5S 0,2S 0,2 0,5S 0,2S 0,2 0,5S 0,2S 0,2 0,5S 0,2S 0,2 0,5S 100/5 1 1,5 2,5 1/5 2,5 3,5 3,5 1 1,25 1,5 200/5 3, ,25 1,5 2 2/ ,5 1,75 2,25 300/ ,75 2 2,5 400/5 7,5 7,5 7, /5 5 7,5 7,5 600/5 5 7,5 7, /5 7, , /5 7, , / , / / / / / / / Frequeny ssigned insulating voltage Short-iruit thermal urrent, I th Dynami urrent, I dyn Features...60 Hz 10 kv 60 I n 2,5 I th Higher voltage for the material 0,72 kv a.. Thermal lass B (130 ºC) Enapsulated in selfextinguishing plasti VO Safety fator FS 5 / 10 Sealed seondary terminals Yes Code table TCH 6.2 TCH6 TCH 8 TCH 10 TCH /5 M441 1/5 M443 M /5 M444 M432 2/5 M445 M /5 M446 M /5 M447 M435 0/5 M /5 M437 M463 7/5 M438 M /5 M439 M /5 M466 M /5 M467 M /5 M468 M475 M /5 M469 M476 M /5 M477 M /5 M478 M /5 M479 M /5 M488 essories 5 DIN rail Terminals over Certifiate M7-8

9 T400, T0, T600 Current transformers Type T 400 T 0 T 600 Inner Ø 100 x x x 60 b a a b Mounting V Class Class Class 0, , , / / / / / / / / / / Frequeny ssigned insulating voltage Short-iruit thermal urrent, I th Dynami urrent, I dyn...60 Hz 3 kv 60 I n 2,5 I th Higher voltage for the material 0,72 kv a.. Thermal lass 105 ºC Enapsulated in selfextinguishing plasti VO Safety fator < 5 Sealed seondary terminals Yes Standards Features IEC 44-1, UNE , UL 94, VDE 0414 Code table T 400 T 0 T 600 7/5 M /5 M /5 M596 M5B /5 M /5 M598 M54 M5B /5 M599 M56 M5B5 2 0/5 M57 M5B /5 M58 M5B /5 M59 M5B /5 M5B9 essories 5 DIN rail Certifiate M7-9

10 T P TP SHRED CORE urrent transformers Type TP-23 TP-58 TP-88 TP-812 TP816 Inner Ø 20 x 30 x x x x 160 b a a b Mounting V Class Class Class Class Class 0, , , , , / ,5 1/ /5-1,5 2,5 2/ /5 1, , , /5 2, , , /5 2, , /5 2,5 5 17,5 2,5 5 17, / , / / / / / / / / / / ssigned insulation level ssigned short-iruit thermal urrent (I th ) ssigned dynami urrent (I dyn ) 3 kv 60 I n 2,5 I th Higher voltage for the material (U m ) 0,72 kv a.. Thermal lass (105 0 C) Response in frequenies Lineal...60 Hz Transformation ratio, auray power and auray lass Use Casing Terminal box for the seondary Dimensions and weight Standards essories 5 Certifiate Features ording to type (.../5 or.../1 ) Inner Self extinguishing (UL94VO) Lokable ording to type IEC 44-1, UNE , UL 94, VDE 0414 TET114 (TP58) TET144 (TP88,812) Code table TP-23 TP-58 TP-88 TP-812 TP /5 M111 1/5 M /5 M113 2/5 M114 M121 M /5 M115 M122 M /5 M116 M123 M133 0/5 M124 M134 M /5 M125 M135 M142 7/5 M126 M136 M /5 M127 M137 M /5 M128 M138 M145 M /5 M /5 M /5 M148 M /5 M /5 M /5 M /5 M /5 M157 M7-10

11 TM 45, T 210 TP, TW 25, TW 25M Type TM 45 T 210 TW 25 Inner Ø Primary winding - Primary winding - Bushing bar 25 b a a b 52, Mounting V Class Class Class 0, , , /5 2, /5 2, /5 2, /5 2, /5 2, /5 2, /5 2, /5-1, / / / / / Type TW 25 M* Inner Ø a b Mounting 100/5 125/5 1/5 200/5 2/5 300/5 V Bushing bar Class 0, * MULTI-RTIO TRNSFORMER: Measurement transformers 1, Groups 6 urrents into one single transformer, seleting a ratio aording to the seondary terminal onnetion. Frequeny Isolating voltage Short-iruit thermal urrent, I th Dynami urrent, I dyn TM 45 T 210 TW 25 TW 25 M...60 Hz 3 kv 60 I n 2,5 I th Higher voltage for the material 0,72 kv Thermal lass (105 o C) Enapsulated in self-extinguishing plasti VO Safety fator < 5 Sealed seondary terminals Yes Standards essories 5 Features Certifiate IEC 44-1, UNE , UL 94, VDE 0414 Code table TM 45 T 210 TW 25 TW 25 M 5/5 M601 M541 10/5 M602 M542 15/5 M603 M543 20/5 M604 M544 25/5 M605 M545 30/5 M606 M546 40/5 M607 M547 /5 M608 M548 60/5 M549 75/5 M54 100/5 M54B M /5 M54C M612 1/5 M54D M613 M /5 M54E M614 2/5 M54F M /5 M54G M /5 M54H M7-11

12 TI-420, TP-420, TCM-420, TCB-420 TI-420 TP-420 TCM-420 TCB-420 Type Inner Ø x 30 x x x x b a a b Mounting TI-420 TP-420 TCM-420 TCB ,5 M811 M71041 M M812 M211 M71042 M M813 M212 M71043 M71051 M M814 M213 M71044 M71052 M71014 M815 M214 M71045 M71053 M M816 M821 M215 M221 M231 M71046 M71054 M71016 M M216 M71047 M M817 M822 M831 M217 M222 M232 M241 M71017 M71022 M M M823 M832 M218 M223 M233 M242 M251 M71023 M M824 M833 M224 M234 M243 M252 M71024 M M834 M235 M244 M253 M M835 M236 M245 M254 M M M M Current transformers WITH m OUTPUT Features TI-420 TP-420 TCM-420 TCB-420 TI-420 TP-420 TCM-420 TCB-420 Operating Conditions Class interval 0 ºC / + ºC Operating temperature -10 ºC / + ºC Higher voltage for the material (U m ) 0,72 kv.a. MXIMUM LOD RESISTNCE Measurement iruit Primary urrent Response in lineal frequeny Seondary urrent uray (between % I n ) Overloads (at ambient temperature) Standards ording to type...60 Hz m d.. ± 1,5 I n reading 1,5 I n permanently IEC 44-1, UNE , IEC 664, VDE0110, VDE0414, UL 94, IEC , EN essories 5 F-420 M79911 M7-12

13 TC 420 / TP TC 020 Current transformers WITH BUILT IN CONVERTER TC 420 TC 020 Type TC TC TC TC TC TC Inner Ø BR mm 25 x 5 40 x x x 5 40 x x 12 b a 80, ,5 102 a b , , Mounting TC 420 TC 020 TC TC TC TC TC TC M72112 M M72113 M M72114 M72014 M72131 M M72132 M M72134 M M72136 M M72151 M M72152 M M72153 M72053 Features TC 420 TC 020 Frequeny ssigned insulating voltage Short-iruit thermal urrent, I th...60 Hz 3 kv 60 I n Dynami urrent, I dyn 2,5 I th Higher voltage for the material 0,72 kv Thermal lass B (130 o C) Enapsulated in self-extinguishing plasti VO Safety fator < 5 Sealed seondary terminals Si Response time < 300ms uray lass ± 1,5% Standards IEC 44-1, B essories 5 DIN rail Terminals over M7-13

14 TRM / TRMC / TRP RESIN moulded transformers CIRCUTOR has a large range of urrent transformers manufatured in resin. One of the advantages that this type of transformer has is that it inreases the degree of strength (high mehanial resistane, high eletrial rigidity, tropial weather resistant, et.). lso, it makes the manipulation of the transformer ore impossible in this range. There are 3 types of transformer: TRM, TRP and TRMC - TRM: Transformers enapsulated in resin for measurement - TRP: Transformers enapsulated in resin for protetion - TRMC: Transformers for ompany meters Transformer seletion table aording to transformer ratio (I pn / I sn ) 5 000/ / /5 2 0/ /5 1 0/ /5-800/5 7/5 0/5 600/5 0/5 400/5-300/5 2/5 200/5-1/5 125/5 100/5-75/5 TRM 30 TRM 40 TRM 60 TRM 80 TRM 100 TRM 140 TRM 180 TRMC 210 TRMC 400 TRP 400 TRP 40 TRP 60 TRP 80 TRP 100 TRP 140 TRP 180 MESUREMENT PROTECTION TRM / TRP Series - Enapsulated in resin (For further information see atalogue P.5) M7-14

15 SHUNTS Type SH Ratio 30 / 60 mv 30 M / 60 mv 40 M71232 / 60 mv M / 60 mv 60 M / 60 mv 80 M / 60 mv 100 M71236 Type SH Ratio / 60 mv M7123G / 60 mv M7123H 1 0 / 60 mv 1 0 M7123J / 60 mv M7123K 2 0 / 60 mv 2 0 M7123L / 60 mv M7123M CIRCUTOR has a wide range of Shunts up to for ontinuous urrent measurement in voltage drops of standard 60 mv (also, 100, 1, 200, 300, 600 mv, on request) whih omply with the main industrial standards. Type SHP SHB Ratio 1 / 60 mv 1 M ,5 / 60 mv 1,5 M ,5 / 60 mv 2,5 M / 60 mv 4 M / 60 mv 5 M / 60 mv 6 M / 60 mv 1 M / 60 mv 200 M / 60 mv 2 M / 60 mv 300 M / 60 mv 400 M7123B 0 / 60 mv 0 M7123C 600 / 60 mv 600 M7123D 7 / 60 mv 7 M7123E 800 / 60 mv 800 M7123F / 60 mv M7123N / 60 mv M7123P / 60 mv M7123Q 7 0 / 60 mv 7 0 M7123R / 60 mv M7123S / 60 mv M7123T 12 0 / 60 mv 12 0 M7123U / 60 mv M7123V 10 / 60 mv 10 M / 60 mv 15 M / 60 mv 25 M / 60 mv 30 M71211 M / 60 mv 40 M71212 M7122B / 60 mv M71213 M7122C 60 / 60 mv 60 M71214 M7122D 75 / 60 mv 75 M / 60 mv 80 M7122E 100 / 60 mv 100 M71216 M7122F 1 / 60 mv 1 M71217 TSR Having to add urrents in different lines to get a ommon measurement is frequent in eletrial installations. dding urrent transformers offer an easy solution to this problem; they have different I n / 5 inputs and one single 5 output whih is equal to the sum of these inputs (see Fig. 2) The output urrent on the adding transformer is obtained from the following alulation: I OUTPUT = I 1 + I I n n where n is the number of inputs on the totaliser and I 1, I 2,..., I n are the urrents for eah input. So that they an add urrents from several transformers and the output is proportional to the same, it is neessary that the transformer ratio is the same. On request, adding transformers may be supplied for inputs whih do not have the same ratio. Number of inputs Power and auray Type Code 2 x 5 15 V / Class 0,5 TSR-2 M1 3 x 5 15 V / Class 0,5 TSR-3 M2 4 x 5 15 V / Class 0,5 TSR-4 M3 5 x 5 15 V / Class 0,5 TSR-5 M4 M7-15

16 essories TERMINL COVER essory to seal the terminals on the TC type transformer seondary Code: M79951 P-TC / WG essory to assemble the TC5, TC5.2, T6, TC6.2 transformer on a DIN rail Code: P19921 F-420 The F-420 module is a 15 V d.. power soure, supplying a 230 V a.. system. Code: M79911 TP bad weather protetor TET 114 / TET 144 For TP 58 - For TP 88 and TP TET 114 Code: M79972 TET 144 Code: M79973 M7-16

17 dimensions TC 5 / TC 5.2 / TC 6.2 / TC 6 / TC 8 / TC 10 / TCH 5 / TCH 5.2 / TCH 6.2 / TCH 6 / TCH 8 / TCH 10 sizes in mm TC 5 TCH 5 TC 5.2 TCH 5.2 TC 6.2 TCH6.2 TC 6 TCH 6 TC 8 TCH 8 TC 10 TCH 10 a ,5 108 b 80,5 80, d 20, , e ,5 66, f g , h 5,6 5,6 5,6 5,6 6,6 6,6 i j k 25,6 30,6 20,6 40,6 60,6 80,6 l 15,6 15,6 30,6 25,2 30,6,8 TC 12 / TCH 12 T 400 T 0 T 600 M7-17

18 TP 23 / TP 58 / TP 88 / TP 812 / TP 816 sizes in mm TP-23 TP-58 TP-88 TP-812 TP-816 a b d e f g h i Note: ll types have mounting entring devies exept the TP-23 TM 45T 210 TW 25 / TW 25MTI 420 sizes in mm TI TI-420- TI a b d 48, e M7-18

19 TCM TCM TCB-420 sizes in mm TCB TCB-420- TCB a b d 48, e TP 420 TSR M7-19

20 TC-020 / TC-420 SHP / SHB / SH Voltage drop Sope (1) Fig. a1 a2 b1 b2 b3 1 2 e h Weight kg mv (1) , 5-2, sizes in mm No. of urrent splies TC 5 TCH 5 Hexagonal srew DIN 933 TC 6 TCH 6 Current splies Washer DIN 125 TC 8 TCH 8 a ,5 b 80, d 20,3 28,5 44 e 45 66,5 69 f g 59 71,2 78 h 5,6 5,6 6,6 i j k 25,6 40,6 60,6 l 15,6 25,2 30,6 Nut DIN ,15 2 x 1 M5 x 12 5, ,13 2 x 1 M8 x 16 8, ,54 2 x 1 M12 x M ,78 2 x 1 M16 x M ,49 2 x 1 M20 x 21 M ,95 2 x 2 M16 x M x 2 M20 x 21 M20 1-1, 5-2, ,18 2 x 1 M5 x 12 5, ,14 2 x 1 M8 x 16 8, ,80 2 x 1 M12 x M ,38 2 x 1 M16 x M ,55 2 x 1 M20 x 21 M20 Voltage splies 2 M5 x 8 DIN 84 srews and 2 x 5,3 DIN 433 washers ll shunts are supplied with onnetion ables, 1.5 m long and 1.5 mm Ø diameter. Insulating baseboard in SHB types fig 1: from 1 to 1 fi g 2: from 200 to fi g 3: from 1 0 to 2 0 ode C3M M7-20 Vial Sant Jordi s/n Viladeavalls Barelona (Spain) Tel. (+34) Fax: (+34) web: CIRCUTOR reserves the right to hange the ontent of this atalogue without prior warning. CIRCUTOR does not assume any responsibility for any damage aused to persons or materials due to improper or unsuitable use of its equipment. Diseño: Comuniaión CIRCUTOR, S

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